/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:14:01,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:14:01,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:14:01,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:14:01,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:14:01,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:14:01,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:14:01,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:14:01,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:14:01,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:14:01,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:14:01,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:14:01,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:14:01,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:14:01,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:14:01,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:14:01,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:14:01,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:14:01,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:14:01,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:14:01,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:14:01,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:14:01,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:14:01,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:14:01,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:14:01,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:14:01,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:14:01,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:14:01,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:14:01,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:14:01,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:14:01,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:14:01,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:14:01,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:14:01,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:14:01,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:14:01,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:14:01,873 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:14:01,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:14:01,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:14:01,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:14:01,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:14:01,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:14:01,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:14:01,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:14:01,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:14:01,875 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:14:01,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:14:01,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:14:01,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:14:01,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:14:01,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:14:01,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:14:01,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:14:01,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:14:01,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:14:01,876 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:14:01,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:14:01,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:14:01,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:14:01,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:14:01,877 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:14:01,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:14:01,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:14:01,877 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:14:01,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:14:02,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:14:02,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:14:02,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:14:02,124 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:14:02,127 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:14:02,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl [2022-03-16 22:14:02,129 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl' [2022-03-16 22:14:02,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:14:02,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:14:02,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:14:02,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:14:02,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:14:02,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,173 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:14:02,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:14:02,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:14:02,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:14:02,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:14:02,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:14:02,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:14:02,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:14:02,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:14:02,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/1) ... [2022-03-16 22:14:02,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:14:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:14:02,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 22:14:02,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 22:14:02,255 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:14:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:14:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:14:02,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:14:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:14:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:14:02,257 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:14:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:14:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:14:02,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:14:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:14:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:14:02,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 22:14:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 22:14:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 22:14:02,263 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:14:02,312 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:14:02,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:14:02,438 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:14:02,469 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:14:02,469 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:14:02,487 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:14:02 BoogieIcfgContainer [2022-03-16 22:14:02,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:14:02,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:14:02,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:14:02,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:14:02,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:14:02" (1/2) ... [2022-03-16 22:14:02,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13901b3d and model type counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:14:02, skipping insertion in model container [2022-03-16 22:14:02,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:14:02" (2/2) ... [2022-03-16 22:14:02,500 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-determinism.wvr.bpl [2022-03-16 22:14:02,518 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:14:02,518 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:14:02,518 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:14:02,518 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:14:02,553 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 22:14:02,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:14:02,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:14:02,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 22:14:02,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 22:14:02,656 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:14:02,671 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:14:02,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 22:14:03,262 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 717 transitions and produced 663 states. [2022-03-16 22:14:03,264 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:14:03,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:14:03,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2128323579, now seen corresponding path program 1 times [2022-03-16 22:14:03,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:14:03,285 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936895516] [2022-03-16 22:14:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:14:03,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:14:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:14:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2836 backedges. 233 proven. 1797 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2022-03-16 22:14:03,874 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:14:03,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936895516] [2022-03-16 22:14:03,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936895516] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:14:03,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119988634] [2022-03-16 22:14:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:14:03,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:14:03,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:14:03,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:14:03,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:14:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:14:04,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-16 22:14:04,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:14:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2836 backedges. 1388 proven. 344 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-03-16 22:14:05,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:14:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2836 backedges. 1388 proven. 344 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-03-16 22:14:06,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119988634] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:14:06,346 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:14:06,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 29, 29] total 63 [2022-03-16 22:14:06,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516536544] [2022-03-16 22:14:06,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:14:06,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-16 22:14:06,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:14:06,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-16 22:14:06,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=987, Invalid=2919, Unknown=0, NotChecked=0, Total=3906 [2022-03-16 22:14:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:14:06,385 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:14:06,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.015873015873016) internal successors, (190), 63 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:14:06,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:14:08,831 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1077 transitions and produced 989 states. [2022-03-16 22:14:08,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-16 22:14:08,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 22:14:09,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 22:14:09,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:14:09,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:14:09,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1143794505, now seen corresponding path program 2 times [2022-03-16 22:14:09,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:14:09,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15484319] [2022-03-16 22:14:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:14:09,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:14:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:14:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4227 backedges. 2240 proven. 441 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2022-03-16 22:14:09,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:14:09,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15484319] [2022-03-16 22:14:09,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15484319] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:14:09,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610317281] [2022-03-16 22:14:09,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:14:09,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:14:09,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:14:09,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:14:09,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:14:09,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:14:09,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:14:09,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-16 22:14:09,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:14:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4227 backedges. 2240 proven. 441 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2022-03-16 22:14:09,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:14:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4227 backedges. 2240 proven. 441 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2022-03-16 22:14:10,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610317281] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:14:10,331 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:14:10,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 24 [2022-03-16 22:14:10,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509419316] [2022-03-16 22:14:10,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:14:10,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-16 22:14:10,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:14:10,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-16 22:14:10,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-03-16 22:14:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:14:10,335 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:14:10,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.208333333333333) internal successors, (125), 24 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:14:10,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-03-16 22:14:10,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:14:12,119 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1813 transitions and produced 1634 states. [2022-03-16 22:14:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-16 22:14:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-16 22:14:12,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 22:14:12,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:14:12,340 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:14:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:14:12,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1282881779, now seen corresponding path program 3 times [2022-03-16 22:14:12,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:14:12,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118273717] [2022-03-16 22:14:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:14:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:14:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:14:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9051 backedges. 5997 proven. 3024 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-16 22:14:19,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:14:19,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118273717] [2022-03-16 22:14:19,580 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118273717] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:14:19,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486060367] [2022-03-16 22:14:19,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:14:19,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:14:19,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:14:19,582 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:14:19,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:14:19,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2022-03-16 22:14:19,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:14:19,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 19 conjunts are in the unsatisfiable core [2022-03-16 22:14:19,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:14:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 9051 backedges. 592 proven. 2895 refuted. 0 times theorem prover too weak. 5564 trivial. 0 not checked. [2022-03-16 22:14:22,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:14:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9051 backedges. 1831 proven. 1656 refuted. 0 times theorem prover too weak. 5564 trivial. 0 not checked. [2022-03-16 22:14:24,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486060367] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:14:24,023 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:14:24,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 19, 19] total 172 [2022-03-16 22:14:24,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856354540] [2022-03-16 22:14:24,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:14:24,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2022-03-16 22:14:24,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:14:24,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2022-03-16 22:14:24,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4461, Invalid=25295, Unknown=0, NotChecked=0, Total=29756 [2022-03-16 22:14:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:14:24,037 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:14:24,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 2.393063583815029) internal successors, (414), 172 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:14:24,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-16 22:14:24,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-16 22:14:24,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:14:43,924 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2764 transitions and produced 2326 states. [2022-03-16 22:14:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-16 22:14:43,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-16 22:14:43,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 22:14:43,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 22:14:44,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:14:44,126 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:14:44,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:14:44,127 INFO L85 PathProgramCache]: Analyzing trace with hash 672331251, now seen corresponding path program 4 times [2022-03-16 22:14:44,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:14:44,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999905338] [2022-03-16 22:14:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:14:44,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:14:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:14:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21738 backedges. 12648 proven. 6084 refuted. 0 times theorem prover too weak. 3006 trivial. 0 not checked. [2022-03-16 22:14:46,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:14:46,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999905338] [2022-03-16 22:14:46,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999905338] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:14:46,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539519463] [2022-03-16 22:14:46,816 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:14:46,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:14:46,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:14:46,817 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:14:46,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:14:47,017 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:14:47,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:14:47,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 88 conjunts are in the unsatisfiable core [2022-03-16 22:14:47,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:14:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21738 backedges. 12611 proven. 3528 refuted. 0 times theorem prover too weak. 5599 trivial. 0 not checked. [2022-03-16 22:14:52,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:14:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 21738 backedges. 12611 proven. 3528 refuted. 0 times theorem prover too weak. 5599 trivial. 0 not checked. [2022-03-16 22:14:58,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539519463] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:14:58,628 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:14:58,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 88, 88] total 255 [2022-03-16 22:14:58,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781045233] [2022-03-16 22:14:58,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:14:58,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 255 states [2022-03-16 22:14:58,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:14:58,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2022-03-16 22:14:58,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15927, Invalid=48843, Unknown=0, NotChecked=0, Total=64770 [2022-03-16 22:14:58,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:14:58,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:14:58,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 255 states, 255 states have (on average 2.984313725490196) internal successors, (761), 255 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:14:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-16 22:14:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-16 22:14:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 22:14:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:15:21,074 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7814 transitions and produced 6374 states. [2022-03-16 22:15:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-16 22:15:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-16 22:15:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 22:15:21,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-03-16 22:15:21,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 22:15:21,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:15:21,275 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:15:21,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:15:21,276 INFO L85 PathProgramCache]: Analyzing trace with hash -892846573, now seen corresponding path program 5 times [2022-03-16 22:15:21,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:15:21,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980972806] [2022-03-16 22:15:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:15:21,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:15:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:15:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 196106 backedges. 91686 proven. 16336 refuted. 0 times theorem prover too weak. 88084 trivial. 0 not checked. [2022-03-16 22:15:27,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:15:27,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980972806] [2022-03-16 22:15:27,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980972806] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:15:27,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434110123] [2022-03-16 22:15:27,077 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:15:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:15:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:15:27,084 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:15:27,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 22:15:29,345 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 273 check-sat command(s) [2022-03-16 22:15:29,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:15:29,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 3819 conjuncts, 542 conjunts are in the unsatisfiable core [2022-03-16 22:15:29,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:15:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 196106 backedges. 178834 proven. 16336 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2022-03-16 22:15:57,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:16:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 196106 backedges. 178834 proven. 16336 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2022-03-16 22:16:46,822 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434110123] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:16:46,822 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:16:46,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 408, 408] total 696 [2022-03-16 22:16:46,822 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944898020] [2022-03-16 22:16:46,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:16:46,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 696 states [2022-03-16 22:16:46,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:16:46,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 696 interpolants. [2022-03-16 22:16:46,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241860, Invalid=241860, Unknown=0, NotChecked=0, Total=483720 [2022-03-16 22:16:46,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:16:46,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:16:46,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 696 states, 696 states have (on average 3.228448275862069) internal successors, (2247), 696 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:16:46,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-16 22:16:46,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-16 22:16:46,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 22:16:46,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-03-16 22:16:46,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:23:14,887 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12719 transitions and produced 9317 states. [2022-03-16 22:23:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-16 22:23:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-16 22:23:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 22:23:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-03-16 22:23:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 408 states. [2022-03-16 22:23:14,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 22:23:15,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:23:15,096 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:23:15,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:23:15,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1208859551, now seen corresponding path program 6 times [2022-03-16 22:23:15,096 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:23:15,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834164474] [2022-03-16 22:23:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:23:15,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:23:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:26:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 385439 backedges. 344667 proven. 39548 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-03-16 22:26:03,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:26:03,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834164474] [2022-03-16 22:26:03,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834164474] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:26:03,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102927788] [2022-03-16 22:26:03,257 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 22:26:03,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:26:03,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:26:03,262 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) [2022-03-16 22:26:03,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 22:26:03,838 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 155 check-sat command(s) [2022-03-16 22:26:03,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:26:03,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1690 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-16 22:26:03,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:26:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 385439 backedges. 1444 proven. 64831 refuted. 0 times theorem prover too weak. 319164 trivial. 0 not checked. [2022-03-16 22:26:35,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-16 22:26:50,750 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 22:26:50,754 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:26:50,754 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 [2022-03-16 22:26:50,754 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:26:50,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 22:26:50,950 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 [2022-03-16 22:26:50,951 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 453,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 830 known predicates. [2022-03-16 22:26:50,953 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 22:26:50,953 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 22:26:50,953 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 22:26:50,953 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 22:26:50,959 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 22:26:50,960 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:26:50,960 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:26:50,962 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:26:50 BasicIcfg [2022-03-16 22:26:50,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:26:50,967 INFO L158 Benchmark]: Toolchain (without parser) took 768808.90ms. Allocated memory was 180.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 137.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 859.3MB. Max. memory is 8.0GB. [2022-03-16 22:26:50,968 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:26:50,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.27ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 136.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:26:50,969 INFO L158 Benchmark]: Boogie Preprocessor took 12.31ms. Allocated memory is still 180.4MB. Free memory was 136.1MB in the beginning and 135.1MB in the end (delta: 979.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:26:50,969 INFO L158 Benchmark]: RCFGBuilder took 299.53ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 125.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 22:26:50,970 INFO L158 Benchmark]: TraceAbstraction took 768473.05ms. Allocated memory was 180.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 124.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 846.7MB. Max. memory is 8.0GB. [2022-03-16 22:26:50,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.27ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 136.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.31ms. Allocated memory is still 180.4MB. Free memory was 136.1MB in the beginning and 135.1MB in the end (delta: 979.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 299.53ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 125.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 768473.05ms. Allocated memory was 180.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 124.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 846.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 453,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 830 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 453,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 830 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 453,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 830 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 453,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 830 known predicates. - TimeoutResultAtElement [Line: 76]: 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 2000 with TraceHistMax 453,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 830 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 768.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 435.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 965, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 111.4s InterpolantComputationTime, 5090 NumberOfCodeBlocks, 4964 NumberOfCodeBlocksAsserted, 305 NumberOfCheckSat, 7620 ConstructedInterpolants, 0 QuantifiedInterpolants, 29127 SizeOfPredicates, 19 NumberOfNonLiveVariables, 6812 ConjunctsInSsa, 722 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 628343/701874 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