/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 23:53:00,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 23:53:00,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 23:53:00,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 23:53:00,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-09 23:53:00,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 23:53:00,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 23:53:00,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 23:53:00,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 23:53:00,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 23:53:00,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 23:53:00,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 23:53:00,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 23:53:00,182 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 23:53:00,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 23:53:00,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 23:53:00,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 23:53:00,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 23:53:00,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 23:53:00,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 23:53:00,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 23:53:00,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 23:53:00,184 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 23:53:00,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 23:53:00,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 23:53:00,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 23:53:00,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 23:53:00,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 23:53:00,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 23:53:00,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 23:53:00,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 23:53:00,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 23:53:00,185 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 23:53:00,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 23:53:00,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 23:53:00,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 23:53:00,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 23:53:00,186 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 23:53:00,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 23:53:00,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 23:53:00,186 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 23:53:00,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 23:53:00,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 23:53:00,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 23:53:00,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 23:53:00,389 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 23:53:00,390 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 23:53:00,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl [2022-02-09 23:53:00,391 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl' [2022-02-09 23:53:00,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 23:53:00,426 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 23:53:00,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 23:53:00,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 23:53:00,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 23:53:00,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,445 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 23:53:00,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 23:53:00,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 23:53:00,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 23:53:00,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 23:53:00,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 23:53:00,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 23:53:00,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 23:53:00,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 23:53:00,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/1) ... [2022-02-09 23:53:00,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 23:53:00,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:53:00,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 23:53:00,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 23:53:00,509 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 23:53:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 23:53:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 23:53:00,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 23:53:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 23:53:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 23:53:00,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 23:53:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 23:53:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 23:53:00,511 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 23:53:00,540 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 23:53:00,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 23:53:00,625 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 23:53:00,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 23:53:00,632 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 23:53:00,638 INFO L202 PluginConnector]: Adding new model misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:53:00 BoogieIcfgContainer [2022-02-09 23:53:00,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 23:53:00,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 23:53:00,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 23:53:00,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 23:53:00,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:00" (1/2) ... [2022-02-09 23:53:00,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8bcdc5 and model type misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:53:00, skipping insertion in model container [2022-02-09 23:53:00,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:53:00" (2/2) ... [2022-02-09 23:53:00,646 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2-unrolled.wvr.bpl [2022-02-09 23:53:00,650 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 23:53:00,650 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 23:53:00,650 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 23:53:00,650 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 23:53:00,689 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 23:53:00,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 23:53:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:53:00,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 23:53:00,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 23:53:00,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 23:53:00,772 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 23:53:00,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 23:53:00,894 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 661 transitions and produced 626 states. [2022-02-09 23:53:00,896 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:53:00,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:53:00,900 INFO L85 PathProgramCache]: Analyzing trace with hash 958751455, now seen corresponding path program 1 times [2022-02-09 23:53:00,907 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:53:00,907 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387887073] [2022-02-09 23:53:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:53:00,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:53:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:53:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6041 backedges. 5748 proven. 293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:53:04,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:53:04,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387887073] [2022-02-09 23:53:04,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387887073] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:53:04,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772264999] [2022-02-09 23:53:04,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:53:04,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:53:04,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:53:04,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:53:04,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 23:53:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:53:05,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 114 conjunts are in the unsatisfiable core [2022-02-09 23:53:05,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:53:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6041 backedges. 5748 proven. 293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:53:05,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:53:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6041 backedges. 5748 proven. 293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:53:12,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772264999] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:53:12,397 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:53:12,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 93, 111] total 203 [2022-02-09 23:53:12,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22252873] [2022-02-09 23:53:12,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:53:12,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2022-02-09 23:53:12,405 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:53:12,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2022-02-09 23:53:12,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18768, Invalid=22644, Unknown=0, NotChecked=0, Total=41412 [2022-02-09 23:53:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:53:12,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:53:12,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 2.8284313725490198) internal successors, (577), 203 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 23:53:12,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:53:26,586 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1501 transitions and produced 1304 states. [2022-02-09 23:53:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-02-09 23:53:26,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 23:53:26,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 23:53:26,812 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:53:26,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:53:26,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1075803278, now seen corresponding path program 2 times [2022-02-09 23:53:26,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:53:26,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451760456] [2022-02-09 23:53:26,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:53:26,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:53:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:53:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16919 backedges. 12145 proven. 4774 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:53:40,316 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:53:40,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451760456] [2022-02-09 23:53:40,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451760456] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:53:40,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269039858] [2022-02-09 23:53:40,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 23:53:40,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:53:40,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:53:40,319 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:53:40,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 23:53:40,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 23:53:40,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:53:40,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 180 conjunts are in the unsatisfiable core [2022-02-09 23:53:40,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:53:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16919 backedges. 10520 proven. 4774 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2022-02-09 23:53:41,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:53:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16919 backedges. 10520 proven. 4774 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2022-02-09 23:53:51,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269039858] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:53:51,456 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:53:51,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [229, 179, 179] total 318 [2022-02-09 23:53:51,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624994758] [2022-02-09 23:53:51,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:53:51,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2022-02-09 23:53:51,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:53:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2022-02-09 23:53:51,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25979, Invalid=75463, Unknown=0, NotChecked=0, Total=101442 [2022-02-09 23:53:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:53:51,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:53:51,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 2.529780564263323) internal successors, (807), 318 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 23:53:51,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-02-09 23:53:51,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:54:15,331 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2937 transitions and produced 2224 states. [2022-02-09 23:54:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 23:54:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 23:54:15,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 23:54:15,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:54:15,533 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:54:15,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:54:15,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1615244582, now seen corresponding path program 3 times [2022-02-09 23:54:15,534 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:54:15,534 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324125187] [2022-02-09 23:54:15,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:54:15,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:54:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:54:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 29900 backedges. 16308 proven. 13592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:54:36,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:54:36,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324125187] [2022-02-09 23:54:36,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324125187] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:54:36,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854174267] [2022-02-09 23:54:36,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 23:54:36,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:54:36,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:54:36,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:54:36,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 23:54:36,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 83 check-sat command(s) [2022-02-09 23:54:36,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:54:36,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 312 conjunts are in the unsatisfiable core [2022-02-09 23:54:36,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:54:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 29900 backedges. 16308 proven. 13592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:54:38,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:55:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 29900 backedges. 16308 proven. 13592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:55:01,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854174267] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:55:01,901 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:55:01,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [297, 297, 311] total 483 [2022-02-09 23:55:01,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110436524] [2022-02-09 23:55:01,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:55:01,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 484 states [2022-02-09 23:55:01,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:55:01,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 484 interpolants. [2022-02-09 23:55:01,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66016, Invalid=167756, Unknown=0, NotChecked=0, Total=233772 [2022-02-09 23:55:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:55:01,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:55:01,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 484 states, 484 states have (on average 2.605371900826446) internal successors, (1261), 483 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 23:55:01,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 23:55:01,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 23:55:01,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:55:58,322 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2199 transitions and produced 1818 states. [2022-02-09 23:55:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 23:55:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 23:55:58,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2022-02-09 23:55:58,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 23:55:58,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:55:58,523 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:55:58,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:55:58,524 INFO L85 PathProgramCache]: Analyzing trace with hash 229666541, now seen corresponding path program 4 times [2022-02-09 23:55:58,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:55:58,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122752167] [2022-02-09 23:55:58,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:55:58,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:55:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:56:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 32171 backedges. 16687 proven. 15484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:56:23,678 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:56:23,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122752167] [2022-02-09 23:56:23,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122752167] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:56:23,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109076228] [2022-02-09 23:56:23,679 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 23:56:23,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:56:23,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:56:23,680 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:56:23,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 23:56:23,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 23:56:23,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:56:23,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 320 conjunts are in the unsatisfiable core [2022-02-09 23:56:23,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:56:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 32171 backedges. 16672 proven. 15484 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-09 23:56:25,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:56:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 32171 backedges. 16672 proven. 15484 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-09 23:56:48,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109076228] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:56:48,069 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:56:48,069 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [323, 319, 319] total 482 [2022-02-09 23:56:48,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994305934] [2022-02-09 23:56:48,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:56:48,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 483 states [2022-02-09 23:56:48,071 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:56:48,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 483 interpolants. [2022-02-09 23:56:48,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64569, Invalid=168237, Unknown=0, NotChecked=0, Total=232806 [2022-02-09 23:56:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:56:48,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:56:48,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 483 states, 483 states have (on average 2.5196687370600412) internal successors, (1217), 482 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 23:56:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 23:56:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 23:56:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2022-02-09 23:56:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:57:56,230 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3583 transitions and produced 2745 states. [2022-02-09 23:57:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 23:57:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 23:57:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2022-02-09 23:57:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2022-02-09 23:57:56,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-09 23:57:56,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:57:56,432 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:57:56,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:57:56,432 INFO L85 PathProgramCache]: Analyzing trace with hash -488485469, now seen corresponding path program 5 times [2022-02-09 23:57:56,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:57:56,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992632023] [2022-02-09 23:57:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:57:56,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:57:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:58:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 52408 backedges. 33493 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:58:32,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:58:32,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992632023] [2022-02-09 23:58:32,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992632023] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:58:32,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553605852] [2022-02-09 23:58:32,975 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 23:58:32,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:58:32,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:58:32,977 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:58:32,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 23:58:33,609 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 118 check-sat command(s) [2022-02-09 23:58:33,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:58:33,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 348 conjunts are in the unsatisfiable core [2022-02-09 23:58:33,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:58:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 52408 backedges. 18361 proven. 33762 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-02-09 23:58:46,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:59:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52408 backedges. 18361 proven. 33762 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-02-09 23:59:17,533 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553605852] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:59:17,533 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:59:17,533 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [393, 345, 347] total 627 [2022-02-09 23:59:17,533 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676173584] [2022-02-09 23:59:17,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:59:17,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 628 states [2022-02-09 23:59:17,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:59:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 628 interpolants. [2022-02-09 23:59:17,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106476, Invalid=287280, Unknown=0, NotChecked=0, Total=393756 [2022-02-09 23:59:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:17,571 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:59:17,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 628 states, 628 states have (on average 2.6321656050955413) internal successors, (1653), 627 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 23:59:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 23:59:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 23:59:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2022-02-09 23:59:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 400 states. [2022-02-09 23:59:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:01:50,698 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3098 transitions and produced 2514 states. [2022-02-10 00:01:50,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-10 00:01:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-10 00:01:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2022-02-10 00:01:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2022-02-10 00:01:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 455 states. [2022-02-10 00:01:50,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-10 00:01:50,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:01:50,910 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 00:01:50,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:01:50,912 INFO L85 PathProgramCache]: Analyzing trace with hash 157286896, now seen corresponding path program 6 times [2022-02-10 00:01:50,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:01:50,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812333549] [2022-02-10 00:01:50,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:01:50,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:01:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:02:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 64072 backedges. 31753 proven. 32319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 00:02:40,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:02:40,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812333549] [2022-02-10 00:02:40,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812333549] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:02:40,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748320761] [2022-02-10 00:02:40,657 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-10 00:02:40,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:02:40,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:02:40,659 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:02:40,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-10 00:02:41,358 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 115 check-sat command(s) [2022-02-10 00:02:41,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:02:41,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 456 conjunts are in the unsatisfiable core [2022-02-10 00:02:41,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:02:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 64072 backedges. 31753 proven. 32319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 00:02:43,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:03:28,972 INFO L134 CoverageAnalysis]: Checked inductivity of 64072 backedges. 31753 proven. 32319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 00:03:28,973 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748320761] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:03:28,973 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:03:28,973 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [455, 455, 455] total 682 [2022-02-10 00:03:28,974 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154059817] [2022-02-10 00:03:28,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:03:28,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 683 states [2022-02-10 00:03:28,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:03:28,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 683 interpolants. [2022-02-10 00:03:29,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129845, Invalid=335961, Unknown=0, NotChecked=0, Total=465806 [2022-02-10 00:03:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:03:29,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:03:29,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 683 states, 683 states have (on average 2.5109809663250364) internal successors, (1715), 682 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:03:29,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-10 00:03:29,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-10 00:03:29,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2022-02-10 00:03:29,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 400 states. [2022-02-10 00:03:29,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 455 states. [2022-02-10 00:03:29,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-10 00:05:36,520 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 00:05:36,520 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 00:05:36,521 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 00:05:36,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-10 00:05:36,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:05:36,710 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1126 known predicates. [2022-02-10 00:05:36,712 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-10 00:05:36,712 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 00:05:36,713 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 00:05:36,719 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-10 00:05:36,721 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 00:05:36,721 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 00:05:36,722 INFO L202 PluginConnector]: Adding new model misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 12:05:36 BasicIcfg [2022-02-10 00:05:36,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 00:05:36,723 INFO L158 Benchmark]: Toolchain (without parser) took 756296.40ms. Allocated memory was 208.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 173.3MB in the beginning and 242.9MB in the end (delta: -69.6MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-10 00:05:36,723 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 208.7MB. Free memory was 174.4MB in the beginning and 174.3MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 00:05:36,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.23ms. Allocated memory is still 208.7MB. Free memory was 173.3MB in the beginning and 171.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 00:05:36,723 INFO L158 Benchmark]: Boogie Preprocessor took 13.56ms. Allocated memory is still 208.7MB. Free memory was 171.7MB in the beginning and 170.8MB in the end (delta: 941.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 00:05:36,724 INFO L158 Benchmark]: RCFGBuilder took 176.75ms. Allocated memory is still 208.7MB. Free memory was 170.7MB in the beginning and 162.0MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-10 00:05:36,724 INFO L158 Benchmark]: TraceAbstraction took 756082.56ms. Allocated memory was 208.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 161.6MB in the beginning and 242.9MB in the end (delta: -81.3MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-10 00:05:36,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 208.7MB. Free memory was 174.4MB in the beginning and 174.3MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.23ms. Allocated memory is still 208.7MB. Free memory was 173.3MB in the beginning and 171.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.56ms. Allocated memory is still 208.7MB. Free memory was 171.7MB in the beginning and 170.8MB in the end (delta: 941.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 176.75ms. Allocated memory is still 208.7MB. Free memory was 170.7MB in the beginning and 162.0MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 756082.56ms. Allocated memory was 208.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 161.6MB in the beginning and 242.9MB in the end (delta: -81.3MB). Peak memory consumption was 1.5GB. 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: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1126 known predicates. - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1126 known predicates. - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1126 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 40 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 756.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 443.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2389, 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, 3.9s SatisfiabilityAnalysisTime, 306.7s InterpolantComputationTime, 9292 NumberOfCodeBlocks, 9292 NumberOfCodeBlocksAsserted, 326 NumberOfCheckSat, 13920 ConstructedInterpolants, 0 QuantifiedInterpolants, 103876 SizeOfPredicates, 18 NumberOfNonLiveVariables, 8400 ConjunctsInSsa, 1730 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 318708/604533 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