/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 23:18:43,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 23:18:43,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 23:18:43,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 23:18:43,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 23:18:43,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 23:18:43,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 23:18:43,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 23:18:43,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 23:18:43,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 23:18:43,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 23:18:43,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 23:18:43,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 23:18:43,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 23:18:43,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 23:18:43,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 23:18:43,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 23:18:43,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-01 23:18:43,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 23:18:43,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 23:18:43,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 23:18:43,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 23:18:43,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 23:18:43,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 23:18:43,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 23:18:43,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 23:18:43,467 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 23:18:43,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 23:18:43,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 23:18:43,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 23:18:43,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 23:18:43,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 23:18:43,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 23:18:43,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 23:18:43,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 23:18:43,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 23:18:43,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 23:18:43,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 23:18:43,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 23:18:43,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 23:18:43,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 23:18:43,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 23:18:43,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 23:18:43,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:18:43,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 23:18:43,469 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 23:18:43,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 23:18:43,470 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 23:18:43,471 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 23:18:43,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 23:18:43,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 23:18:43,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 23:18:43,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 23:18:43,677 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-01 23:18:43,683 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-01 23:18:43,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2022-03-01 23:18:43,684 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2022-03-01 23:18:43,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 23:18:43,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-01 23:18:43,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 23:18:43,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 23:18:43,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 23:18:43,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,728 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-01 23:18:43,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 23:18:43,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 23:18:43,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 23:18:43,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 23:18:43,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 23:18:43,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 23:18:43,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 23:18:43,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 23:18:43,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/1) ... [2022-03-01 23:18:43,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:18:43,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:18:43,771 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) [2022-03-01 23:18:43,772 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 [2022-03-01 23:18:43,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-01 23:18:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 23:18:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 23:18:43,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-01 23:18:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 23:18:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 23:18:43,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-01 23:18:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 23:18:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 23:18:43,800 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 23:18:43,837 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 23:18:43,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 23:18:43,956 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 23:18:43,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 23:18:43,962 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 23:18:43,963 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:18:43 BoogieIcfgContainer [2022-03-01 23:18:43,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 23:18:43,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 23:18:43,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 23:18:43,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 23:18:43,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:18:43" (1/2) ... [2022-03-01 23:18:43,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e1f2dd and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 11:18:43, skipping insertion in model container [2022-03-01 23:18:43,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:18:43" (2/2) ... [2022-03-01 23:18:43,988 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2.wvr.bpl [2022-03-01 23:18:43,991 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 23:18:43,991 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 23:18:43,992 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 23:18:43,992 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 23:18:44,040 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-01 23:18:44,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 23:18:44,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:18:44,135 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) [2022-03-01 23:18:44,156 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 [2022-03-01 23:18:44,175 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 23:18:44,198 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-01 23:18:44,198 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-01 23:18:47,539 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 16369 transitions and produced 8582 states. [2022-03-01 23:18:47,542 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:18:47,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:18:47,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1102725306, now seen corresponding path program 1 times [2022-03-01 23:18:47,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:18:47,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54983276] [2022-03-01 23:18:47,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:18:47,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:18:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:18:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 44666 backedges. 893 proven. 0 refuted. 0 times theorem prover too weak. 43773 trivial. 0 not checked. [2022-03-01 23:18:48,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:18:48,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54983276] [2022-03-01 23:18:48,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54983276] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 23:18:48,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 23:18:48,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-01 23:18:48,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266235946] [2022-03-01 23:18:48,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 23:18:48,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-01 23:18:48,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:18:48,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-01 23:18:48,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-01 23:18:48,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:18:48,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:18:48,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-03-01 23:18:48,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:18:50,408 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7925 transitions and produced 4099 states. [2022-03-01 23:18:50,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:18:50,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 23:18:50,410 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:18:50,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:18:50,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1301629812, now seen corresponding path program 2 times [2022-03-01 23:18:50,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:18:50,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411904847] [2022-03-01 23:18:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:18:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:18:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:18:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6896 backedges. 3257 proven. 0 refuted. 0 times theorem prover too weak. 3639 trivial. 0 not checked. [2022-03-01 23:18:50,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:18:50,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411904847] [2022-03-01 23:18:50,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411904847] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 23:18:50,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 23:18:50,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-01 23:18:50,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883856424] [2022-03-01 23:18:50,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 23:18:50,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-01 23:18:50,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:18:50,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-01 23:18:50,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-01 23:18:50,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:18:50,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:18:50,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-03-01 23:18:50,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:18:50,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:18:51,527 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2874 transitions and produced 2031 states. [2022-03-01 23:18:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:18:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:18:51,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 23:18:51,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:18:51,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:18:51,531 INFO L85 PathProgramCache]: Analyzing trace with hash 989493087, now seen corresponding path program 3 times [2022-03-01 23:18:51,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:18:51,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968941117] [2022-03-01 23:18:51,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:18:51,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:18:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:18:54,684 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 599 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-01 23:18:54,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:18:54,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968941117] [2022-03-01 23:18:54,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968941117] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:18:54,685 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796660229] [2022-03-01 23:18:54,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 23:18:54,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:18:54,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:18:54,691 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) [2022-03-01 23:18:54,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 23:18:54,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 62 check-sat command(s) [2022-03-01 23:18:54,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:18:54,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 98 conjunts are in the unsatisfiable core [2022-03-01 23:18:54,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:18:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 599 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-01 23:18:56,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:19:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:19:02,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796660229] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:19:02,633 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:19:02,634 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79, 97] total 175 [2022-03-01 23:19:02,634 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10163481] [2022-03-01 23:19:02,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:19:02,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2022-03-01 23:19:02,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:19:02,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2022-03-01 23:19:02,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13438, Invalid=17362, Unknown=0, NotChecked=0, Total=30800 [2022-03-01 23:19:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:19:02,655 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:19:02,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 5.340909090909091) internal successors, (940), 175 states have internal predecessors, (940), 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) [2022-03-01 23:19:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:19:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:19:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:19:21,159 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2680 transitions and produced 2185 states. [2022-03-01 23:19:21,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:19:21,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:19:21,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-03-01 23:19:21,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 23:19:21,363 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,SelfDestructingSolverStorable2 [2022-03-01 23:19:21,364 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:19:21,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:19:21,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1895638228, now seen corresponding path program 4 times [2022-03-01 23:19:21,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:19:21,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279726537] [2022-03-01 23:19:21,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:19:21,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:19:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:19:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 30625 proven. 11881 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:19:32,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:19:32,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279726537] [2022-03-01 23:19:32,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279726537] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:19:32,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717553307] [2022-03-01 23:19:32,179 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 23:19:32,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:19:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:19:32,185 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) [2022-03-01 23:19:32,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 23:19:32,423 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 23:19:32,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:19:32,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 150 conjunts are in the unsatisfiable core [2022-03-01 23:19:32,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:19:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 26379 proven. 11881 refuted. 0 times theorem prover too weak. 4246 trivial. 0 not checked. [2022-03-01 23:19:34,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:19:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 26379 proven. 11881 refuted. 0 times theorem prover too weak. 4246 trivial. 0 not checked. [2022-03-01 23:19:43,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717553307] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:19:43,036 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:19:43,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 149, 149] total 266 [2022-03-01 23:19:43,037 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920685521] [2022-03-01 23:19:43,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:19:43,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 267 states [2022-03-01 23:19:43,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:19:43,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 267 interpolants. [2022-03-01 23:19:43,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18195, Invalid=52827, Unknown=0, NotChecked=0, Total=71022 [2022-03-01 23:19:43,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:19:43,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:19:43,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 267 states, 267 states have (on average 4.99625468164794) internal successors, (1334), 266 states have internal predecessors, (1334), 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) [2022-03-01 23:19:43,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:19:43,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:19:43,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-03-01 23:19:43,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:20:05,931 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 40455 transitions and produced 20034 states. [2022-03-01 23:20:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:20:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:20:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-03-01 23:20:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-03-01 23:20:05,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 23:20:06,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:20:06,135 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:20:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:20:06,136 INFO L85 PathProgramCache]: Analyzing trace with hash 211959679, now seen corresponding path program 5 times [2022-03-01 23:20:06,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:20:06,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662640061] [2022-03-01 23:20:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:20:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:20:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:20:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 47888 proven. 36008 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-01 23:20:24,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:20:24,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662640061] [2022-03-01 23:20:24,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662640061] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:20:24,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30411757] [2022-03-01 23:20:24,719 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 23:20:24,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:20:24,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:20:24,724 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) [2022-03-01 23:20:24,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 23:20:25,226 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 124 check-sat command(s) [2022-03-01 23:20:25,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:20:25,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 256 conjunts are in the unsatisfiable core [2022-03-01 23:20:25,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:20:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 35589 proven. 48097 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-03-01 23:20:30,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:20:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 35589 proven. 48121 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-03-01 23:20:49,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30411757] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:20:49,235 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:20:49,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [257, 243, 255] total 410 [2022-03-01 23:20:49,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450277707] [2022-03-01 23:20:49,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:20:49,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 411 states [2022-03-01 23:20:49,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:20:49,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 411 interpolants. [2022-03-01 23:20:49,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46845, Invalid=121665, Unknown=0, NotChecked=0, Total=168510 [2022-03-01 23:20:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:20:49,269 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:20:49,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 411 states, 411 states have (on average 5.226277372262774) internal successors, (2148), 410 states have internal predecessors, (2148), 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) [2022-03-01 23:20:49,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:20:49,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:20:49,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2022-03-01 23:20:49,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-03-01 23:20:49,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:21:57,724 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4066 transitions and produced 3133 states. [2022-03-01 23:21:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:21:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:21:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-03-01 23:21:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-03-01 23:21:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2022-03-01 23:21:57,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 23:21:57,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:21:57,926 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:21:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:21:57,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1336067508, now seen corresponding path program 6 times [2022-03-01 23:21:57,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:21:57,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694122444] [2022-03-01 23:21:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:21:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:21:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:22:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 20008 refuted. 0 times theorem prover too weak. 66520 trivial. 0 not checked. [2022-03-01 23:22:00,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:22:00,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694122444] [2022-03-01 23:22:00,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694122444] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:22:00,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973463335] [2022-03-01 23:22:00,058 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 23:22:00,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:22:00,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:22:00,060 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) [2022-03-01 23:22:00,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 23:22:00,619 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 117 check-sat command(s) [2022-03-01 23:22:00,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:22:00,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 283 conjunts are in the unsatisfiable core [2022-03-01 23:22:00,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:22:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 43264 refuted. 0 times theorem prover too weak. 43264 trivial. 0 not checked. [2022-03-01 23:22:09,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:22:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 19735 refuted. 0 times theorem prover too weak. 66793 trivial. 0 not checked. [2022-03-01 23:22:20,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973463335] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:22:20,108 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:22:20,109 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 142, 5] total 152 [2022-03-01 23:22:20,109 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055653973] [2022-03-01 23:22:20,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:22:20,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2022-03-01 23:22:20,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:22:20,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2022-03-01 23:22:20,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=22802, Unknown=0, NotChecked=0, Total=23256 [2022-03-01 23:22:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:22:20,113 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:22:20,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 5.052287581699346) internal successors, (773), 152 states have internal predecessors, (773), 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) [2022-03-01 23:22:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:22:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:22:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2022-03-01 23:22:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-03-01 23:22:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2022-03-01 23:22:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:24:18,465 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62119 transitions and produced 32566 states. [2022-03-01 23:24:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:24:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-01 23:24:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-03-01 23:24:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-03-01 23:24:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2022-03-01 23:24:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 645 states. [2022-03-01 23:24:18,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 23:24:18,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:24:18,667 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 23:24:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:24:18,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1105458203, now seen corresponding path program 7 times [2022-03-01 23:24:18,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:24:18,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946282559] [2022-03-01 23:24:18,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:24:18,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:24:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:27:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1432092 backedges. 1294396 proven. 137105 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-03-01 23:27:08,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:27:08,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946282559] [2022-03-01 23:27:08,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946282559] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:27:08,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965184856] [2022-03-01 23:27:08,782 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 23:27:08,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:27:08,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:27:08,784 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) [2022-03-01 23:27:08,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 23:27:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:27:11,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 7236 conjuncts, 1033 conjunts are in the unsatisfiable core [2022-03-01 23:27:11,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:27:21,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1432092 backedges. 1294396 proven. 137105 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-03-01 23:27:21,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-01 23:30:10,526 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-01 23:30:10,529 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-01 23:30:10,529 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 [2022-03-01 23:30:10,529 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 [2022-03-01 23:30:10,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-01 23:30:10,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:30:10,736 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1472 known predicates. [2022-03-01 23:30:10,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-01 23:30:10,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-01 23:30:10,743 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-01 23:30:10,745 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 23:30:10,745 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 23:30:10,747 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 11:30:10 BasicIcfg [2022-03-01 23:30:10,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 23:30:10,748 INFO L158 Benchmark]: Toolchain (without parser) took 687038.18ms. Allocated memory was 185.6MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 143.1MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-03-01 23:30:10,748 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 23:30:10,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.71ms. Allocated memory is still 185.6MB. Free memory was 143.1MB in the beginning and 141.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 23:30:10,748 INFO L158 Benchmark]: Boogie Preprocessor took 11.13ms. Allocated memory is still 185.6MB. Free memory was 141.6MB in the beginning and 140.7MB in the end (delta: 920.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 23:30:10,749 INFO L158 Benchmark]: RCFGBuilder took 219.83ms. Allocated memory is still 185.6MB. Free memory was 140.5MB in the beginning and 131.7MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-01 23:30:10,749 INFO L158 Benchmark]: TraceAbstraction took 686782.70ms. Allocated memory was 185.6MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 131.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-03-01 23:30:10,750 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 0.14ms. Allocated memory is still 185.6MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.71ms. Allocated memory is still 185.6MB. Free memory was 143.1MB in the beginning and 141.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.13ms. Allocated memory is still 185.6MB. Free memory was 141.6MB in the beginning and 140.7MB in the end (delta: 920.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 219.83ms. Allocated memory is still 185.6MB. Free memory was 140.5MB in the beginning and 131.7MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 686782.70ms. Allocated memory was 185.6MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 131.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 1.6GB. 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1472 known predicates. - TimeoutResultAtElement [Line: 54]: 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 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1472 known predicates. - TimeoutResultAtElement [Line: 54]: 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 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1472 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 44 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 686.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 234.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1611, 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, 3.4s SatisfiabilityAnalysisTime, 94.8s InterpolantComputationTime, 9675 NumberOfCodeBlocks, 9675 NumberOfCodeBlocksAsserted, 310 NumberOfCheckSat, 13885 ConstructedInterpolants, 0 QuantifiedInterpolants, 95833 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5956 ConjunctsInSsa, 787 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 482934/735643 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