/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/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 10:50:51,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 10:50:51,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 10:50:51,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 10:50:51,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 10:50:51,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 10:50:51,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 10:50:51,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 10:50:51,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 10:50:51,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 10:50:51,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 10:50:51,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 10:50:51,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 10:50:51,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 10:50:51,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 10:50:51,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 10:50:51,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 10:50:51,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 10:50:52,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 10:50:52,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 10:50:52,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 10:50:52,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 10:50:52,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 10:50:52,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 10:50:52,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 10:50:52,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 10:50:52,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 10:50:52,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 10:50:52,025 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 [2022-02-16 10:50:52,042 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 10:50:52,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 10:50:52,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 10:50:52,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 10:50:52,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 10:50:52,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 10:50:52,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 10:50:52,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 10:50:52,044 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 10:50:52,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 10:50:52,044 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 10:50:52,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 10:50:52,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 10:50:52,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 10:50:52,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 10:50:52,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 10:50:52,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 10:50:52,045 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 10:50:52,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 10:50:52,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 10:50:52,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 10:50:52,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 10:50:52,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 10:50:52,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 10:50:52,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 10:50:52,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 10:50:52,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 10:50:52,046 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 10:50:52,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 10:50:52,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 10:50:52,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 10:50:52,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 10:50:52,047 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 10:50:52,047 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 10:50:52,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 10:50:52,047 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 10:50:52,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 10:50:52,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 10:50:52,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 10:50:52,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 10:50:52,306 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 10:50:52,309 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 10:50:52,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2022-02-16 10:50:52,310 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2022-02-16 10:50:52,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 10:50:52,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 10:50:52,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 10:50:52,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 10:50:52,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 10:50:52,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,356 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 10:50:52,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 10:50:52,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 10:50:52,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 10:50:52,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 10:50:52,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 10:50:52,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 10:50:52,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 10:50:52,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 10:50:52,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/1) ... [2022-02-16 10:50:52,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 10:50:52,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:50:52,400 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) [2022-02-16 10:50:52,425 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 [2022-02-16 10:50:52,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 10:50:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 10:50:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 10:50:52,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 10:50:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 10:50:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 10:50:52,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 10:50:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 10:50:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 10:50:52,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 10:50:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 10:50:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 10:50:52,442 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 10:50:52,488 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 10:50:52,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 10:50:52,613 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 10:50:52,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 10:50:52,624 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 10:50:52,626 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:50:52 BoogieIcfgContainer [2022-02-16 10:50:52,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 10:50:52,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 10:50:52,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 10:50:52,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 10:50:52,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:50:52" (1/2) ... [2022-02-16 10:50:52,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bb9b2c and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 10:50:52, skipping insertion in model container [2022-02-16 10:50:52,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:50:52" (2/2) ... [2022-02-16 10:50:52,649 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2022-02-16 10:50:52,654 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 10:50:52,654 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 10:50:52,654 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 10:50:52,654 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 10:50:52,715 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 10:50:52,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 10:50:52,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:50:52,764 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) [2022-02-16 10:50:52,781 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 [2022-02-16 10:50:52,807 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 10:50:52,819 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 [2022-02-16 10:50:52,820 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 10:50:52,925 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 250 transitions and produced 228 states. [2022-02-16 10:50:52,927 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:50:52,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:50:52,932 INFO L85 PathProgramCache]: Analyzing trace with hash 388545202, now seen corresponding path program 1 times [2022-02-16 10:50:52,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:50:52,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415868479] [2022-02-16 10:50:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:50:52,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:50:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:50:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-02-16 10:50:53,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:50:53,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415868479] [2022-02-16 10:50:53,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415868479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 10:50:53,204 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 10:50:53,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 10:50:53,205 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127184112] [2022-02-16 10:50:53,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 10:50:53,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 10:50:53,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:50:53,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 10:50:53,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 10:50:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:50:53,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:50:53,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-02-16 10:50:53,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:50:53,323 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 344 transitions and produced 273 states. [2022-02-16 10:50:53,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:50:53,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 10:50:53,324 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:50:53,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:50:53,325 INFO L85 PathProgramCache]: Analyzing trace with hash 783001206, now seen corresponding path program 2 times [2022-02-16 10:50:53,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:50:53,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394097142] [2022-02-16 10:50:53,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:50:53,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:50:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:50:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 23 proven. 299 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:50:54,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:50:54,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394097142] [2022-02-16 10:50:54,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394097142] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:50:54,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362658361] [2022-02-16 10:50:54,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 10:50:54,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:50:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:50:54,764 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) [2022-02-16 10:50:54,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 10:50:54,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 10:50:54,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:50:54,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 51 conjunts are in the unsatisfiable core [2022-02-16 10:50:54,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:50:57,724 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-02-16 10:50:57,725 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2022-02-16 10:50:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 23 proven. 299 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:50:57,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:50:59,878 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-02-16 10:50:59,879 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 66 treesize of output 270 [2022-02-16 10:51:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 37 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:51:05,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362658361] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:51:05,062 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:51:05,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 98 [2022-02-16 10:51:05,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931751372] [2022-02-16 10:51:05,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:51:05,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-02-16 10:51:05,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:51:05,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-02-16 10:51:05,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=985, Invalid=8521, Unknown=0, NotChecked=0, Total=9506 [2022-02-16 10:51:05,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:51:05,076 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:51:05,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 2.13265306122449) internal successors, (209), 98 states have internal predecessors, (209), 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) [2022-02-16 10:51:05,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:51:05,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:51:09,839 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1147 transitions and produced 605 states. [2022-02-16 10:51:09,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:51:09,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 10:51:09,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 10:51:10,041 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,SelfDestructingSolverStorable1 [2022-02-16 10:51:10,042 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:51:10,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:51:10,042 INFO L85 PathProgramCache]: Analyzing trace with hash 159684366, now seen corresponding path program 3 times [2022-02-16 10:51:10,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:51:10,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543303576] [2022-02-16 10:51:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:51:10,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:51:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:51:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 23 proven. 377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:51:11,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:51:11,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543303576] [2022-02-16 10:51:11,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543303576] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:51:11,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404269622] [2022-02-16 10:51:11,265 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 10:51:11,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:51:11,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:51:11,272 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) [2022-02-16 10:51:11,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 10:51:11,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-02-16 10:51:11,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:51:11,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 59 conjunts are in the unsatisfiable core [2022-02-16 10:51:11,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:51:14,360 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-02-16 10:51:14,361 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2022-02-16 10:51:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 23 proven. 377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:51:14,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:51:17,371 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-02-16 10:51:17,371 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 79 treesize of output 383 [2022-02-16 10:51:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 45 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:51:28,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404269622] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:51:28,459 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:51:28,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 110 [2022-02-16 10:51:28,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68533371] [2022-02-16 10:51:28,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:51:28,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2022-02-16 10:51:28,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:51:28,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2022-02-16 10:51:28,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1118, Invalid=10872, Unknown=0, NotChecked=0, Total=11990 [2022-02-16 10:51:28,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:51:28,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:51:28,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.1272727272727274) internal successors, (234), 110 states have internal predecessors, (234), 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) [2022-02-16 10:51:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:51:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-16 10:51:28,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:51:33,316 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1470 transitions and produced 735 states. [2022-02-16 10:51:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:51:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 10:51:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-16 10:51:33,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 10:51:33,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:51:33,518 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:51:33,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:51:33,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2094593687, now seen corresponding path program 4 times [2022-02-16 10:51:33,519 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:51:33,519 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219691747] [2022-02-16 10:51:33,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:51:33,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:51:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:51:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 23 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:51:34,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:51:34,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219691747] [2022-02-16 10:51:34,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219691747] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:51:34,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591147879] [2022-02-16 10:51:34,849 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 10:51:34,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:51:34,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:51:34,851 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) [2022-02-16 10:51:34,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 10:51:34,901 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 10:51:34,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:51:34,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 69 conjunts are in the unsatisfiable core [2022-02-16 10:51:34,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:51:38,255 INFO L353 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2022-02-16 10:51:38,255 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 34 [2022-02-16 10:51:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 23 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:51:38,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:51:41,587 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-02-16 10:51:41,588 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 92 treesize of output 516 [2022-02-16 10:52:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 56 proven. 412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:52:08,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591147879] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:52:08,137 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:52:08,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 122 [2022-02-16 10:52:08,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099268875] [2022-02-16 10:52:08,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:52:08,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2022-02-16 10:52:08,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:52:08,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2022-02-16 10:52:08,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1272, Invalid=13490, Unknown=0, NotChecked=0, Total=14762 [2022-02-16 10:52:08,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:52:08,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:52:08,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 2.0655737704918034) internal successors, (252), 122 states have internal predecessors, (252), 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) [2022-02-16 10:52:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:52:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-16 10:52:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-16 10:52:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:52:14,308 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1793 transitions and produced 865 states. [2022-02-16 10:52:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:52:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 10:52:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-16 10:52:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-16 10:52:14,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 10:52:14,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:52:14,510 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:52:14,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:52:14,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1329607406, now seen corresponding path program 5 times [2022-02-16 10:52:14,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:52:14,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903405286] [2022-02-16 10:52:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:52:14,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:52:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:52:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 23 proven. 519 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:52:16,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:52:16,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903405286] [2022-02-16 10:52:16,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903405286] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:52:16,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063984880] [2022-02-16 10:52:16,002 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 10:52:16,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:52:16,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:52:16,003 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) [2022-02-16 10:52:16,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 10:52:16,083 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2022-02-16 10:52:16,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:52:16,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 75 conjunts are in the unsatisfiable core [2022-02-16 10:52:16,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:52:20,117 INFO L353 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2022-02-16 10:52:20,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 38 [2022-02-16 10:52:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 23 proven. 519 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:52:20,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:52:24,665 INFO L353 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-02-16 10:52:24,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 105 treesize of output 669 [2022-02-16 10:53:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 70 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:53:14,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063984880] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:53:14,635 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:53:14,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 134 [2022-02-16 10:53:14,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610610035] [2022-02-16 10:53:14,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:53:14,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2022-02-16 10:53:14,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:53:14,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2022-02-16 10:53:14,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1447, Invalid=16375, Unknown=0, NotChecked=0, Total=17822 [2022-02-16 10:53:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:53:14,639 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:53:14,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 2.014925373134328) internal successors, (270), 134 states have internal predecessors, (270), 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) [2022-02-16 10:53:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:53:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-16 10:53:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-16 10:53:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-16 10:53:14,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:53:21,920 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2116 transitions and produced 995 states. [2022-02-16 10:53:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 10:53:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 10:53:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-16 10:53:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-16 10:53:21,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-16 10:53:21,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 10:53:22,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:53:22,122 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 10:53:22,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:53:22,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1018910647, now seen corresponding path program 6 times [2022-02-16 10:53:22,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:53:22,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951438880] [2022-02-16 10:53:22,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:53:22,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:53:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:53:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 23 proven. 599 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:53:23,867 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:53:23,867 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951438880] [2022-02-16 10:53:23,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951438880] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:53:23,867 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910690650] [2022-02-16 10:53:23,867 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 10:53:23,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:53:23,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:53:23,869 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) [2022-02-16 10:53:23,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 10:53:23,923 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-02-16 10:53:23,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:53:23,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 103 conjunts are in the unsatisfiable core [2022-02-16 10:53:23,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:53:29,923 INFO L353 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2022-02-16 10:53:29,924 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2022-02-16 10:53:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 3 proven. 619 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:53:30,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:53:36,268 INFO L353 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-02-16 10:53:36,268 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 117 treesize of output 841 Received shutdown request... [2022-02-16 11:03:37,045 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-16 11:03:37,047 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 11:03:37,052 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 [2022-02-16 11:03:37,055 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 [2022-02-16 11:03:37,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-16 11:03:37,083 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:03:37,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:03:37,251 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 2ms.. [2022-02-16 11:03:37,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 11:03:37,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 11:03:37,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 11:03:37,257 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-16 11:03:37,259 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 11:03:37,259 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 11:03:37,260 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 11:03:37 BasicIcfg [2022-02-16 11:03:37,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 11:03:37,261 INFO L158 Benchmark]: Toolchain (without parser) took 764926.75ms. Allocated memory was 189.8MB in the beginning and 685.8MB in the end (delta: 496.0MB). Free memory was 149.9MB in the beginning and 391.0MB in the end (delta: -241.1MB). Peak memory consumption was 456.2MB. Max. memory is 8.0GB. [2022-02-16 11:03:37,261 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 11:03:37,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.91ms. Allocated memory is still 189.8MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:03:37,262 INFO L158 Benchmark]: Boogie Preprocessor took 12.14ms. Allocated memory is still 189.8MB. Free memory was 148.2MB in the beginning and 147.3MB in the end (delta: 909.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:03:37,262 INFO L158 Benchmark]: RCFGBuilder took 254.68ms. Allocated memory is still 189.8MB. Free memory was 147.2MB in the beginning and 138.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-16 11:03:37,263 INFO L158 Benchmark]: TraceAbstraction took 764632.48ms. Allocated memory was 189.8MB in the beginning and 685.8MB in the end (delta: 496.0MB). Free memory was 137.5MB in the beginning and 391.0MB in the end (delta: -253.4MB). Peak memory consumption was 443.6MB. Max. memory is 8.0GB. [2022-02-16 11:03:37,264 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 189.8MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.91ms. Allocated memory is still 189.8MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.14ms. Allocated memory is still 189.8MB. Free memory was 148.2MB in the beginning and 147.3MB in the end (delta: 909.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 254.68ms. Allocated memory is still 189.8MB. Free memory was 147.2MB in the beginning and 138.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 764632.48ms. Allocated memory was 189.8MB in the beginning and 685.8MB in the end (delta: 496.0MB). Free memory was 137.5MB in the beginning and 391.0MB in the end (delta: -253.4MB). Peak memory consumption was 443.6MB. 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 2ms.. - TimeoutResultAtElement [Line: 58]: 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 104 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 2ms.. - TimeoutResultAtElement [Line: 57]: 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 104 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 2ms.. - TimeoutResultAtElement [Line: 57]: 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 104 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 764.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 23.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 243, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 124.5s InterpolantComputationTime, 774 NumberOfCodeBlocks, 774 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 35292 SizeOfPredicates, 67 NumberOfNonLiveVariables, 896 ConjunctsInSsa, 254 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 714/5518 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