/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/popl20/nonblocking-cntr.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:32:14,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:32:14,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:32:14,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:32:14,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:32:14,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:32:14,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:32:14,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:32:14,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:32:14,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:32:14,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:32:14,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:32:14,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:32:14,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:32:14,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:32:14,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:32:14,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:32:14,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:32:14,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:32:14,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:32:14,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:32:14,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:32:14,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:32:14,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:32:14,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:32:14,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:32:14,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:32:14,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:32:14,596 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 [2022-03-16 06:32:14,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:32:14,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:32:14,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:32:14,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:32:14,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:32:14,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:32:14,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:32:14,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:32:14,633 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:32:14,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:32:14,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:32:14,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:32:14,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:32:14,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:32:14,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:32:14,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:32:14,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:32:14,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:32:14,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:32:14,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:32:14,637 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:32:14,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:32:14,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:32:14,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:32:14,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:32:14,638 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:32:14,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:32:14,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:32:14,638 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:32:14,638 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:32:14,639 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:32:14,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:32:14,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:32:14,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:32:14,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:32:14,908 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:32:14,909 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:32:14,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl [2022-03-16 06:32:14,910 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl' [2022-03-16 06:32:14,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:32:14,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:32:14,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:32:14,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:32:14,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:32:14,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,961 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:32:14,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:32:14,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:32:14,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:32:14,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:32:14,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:32:14,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:32:14,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:32:14,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:32:14,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/1) ... [2022-03-16 06:32:14,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:32:15,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:32:15,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 06:32:15,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 06:32:15,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:32:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:32:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:32:15,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:32:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:32:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:32:15,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:32:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:32:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:32:15,052 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 06:32:15,091 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:32:15,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:32:15,155 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:32:15,167 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:32:15,167 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:32:15,169 INFO L202 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:32:15 BoogieIcfgContainer [2022-03-16 06:32:15,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:32:15,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:32:15,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:32:15,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:32:15,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:32:14" (1/2) ... [2022-03-16 06:32:15,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223a30f3 and model type nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:32:15, skipping insertion in model container [2022-03-16 06:32:15,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:32:15" (2/2) ... [2022-03-16 06:32:15,178 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr.wvr.bpl [2022-03-16 06:32:15,182 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:32:15,182 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:32:15,182 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:32:15,183 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:32:15,208 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 06:32:15,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:32:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:32:15,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 06:32:15,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 06:32:15,327 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:32:15,334 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 [2022-03-16 06:32:15,334 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 06:32:15,510 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 117 transitions and produced 105 states. [2022-03-16 06:32:15,513 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 06:32:15,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:32:15,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1861479551, now seen corresponding path program 1 times [2022-03-16 06:32:15,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:32:15,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886589680] [2022-03-16 06:32:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:32:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:32:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:32:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 49 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 06:32:16,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:32:16,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886589680] [2022-03-16 06:32:16,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886589680] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:32:16,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853965167] [2022-03-16 06:32:16,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:32:16,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:32:16,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:32:16,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:32:16,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 06:32:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:32:16,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-16 06:32:16,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:32:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 8 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:32:17,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:32:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:32:17,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853965167] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:32:17,805 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:32:17,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 18] total 45 [2022-03-16 06:32:17,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121255030] [2022-03-16 06:32:17,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:32:17,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-16 06:32:17,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:32:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-16 06:32:17,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1626, Unknown=0, NotChecked=0, Total=2070 [2022-03-16 06:32:17,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:32:17,841 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:32:17,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.3260869565217392) internal successors, (107), 45 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:32:17,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:32:19,365 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 233 transitions and produced 188 states. [2022-03-16 06:32:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-16 06:32:19,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 06:32:19,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 06:32:19,567 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 06:32:19,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:32:19,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1755531801, now seen corresponding path program 2 times [2022-03-16 06:32:19,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:32:19,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068276908] [2022-03-16 06:32:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:32:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:32:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:32:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 379 proven. 153 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 06:32:20,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:32:20,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068276908] [2022-03-16 06:32:20,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068276908] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:32:20,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024645933] [2022-03-16 06:32:20,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:32:20,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:32:20,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:32:20,168 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:32:20,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 06:32:20,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:32:20,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:32:20,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 68 conjunts are in the unsatisfiable core [2022-03-16 06:32:20,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:32:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 74 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:32:21,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:32:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 62 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:32:23,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024645933] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:32:23,772 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:32:23,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 38, 37] total 97 [2022-03-16 06:32:23,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228394648] [2022-03-16 06:32:23,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:32:23,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-03-16 06:32:23,774 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:32:23,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-03-16 06:32:23,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1984, Invalid=7522, Unknown=0, NotChecked=0, Total=9506 [2022-03-16 06:32:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:32:23,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:32:23,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 2.193877551020408) internal successors, (215), 97 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:32:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-16 06:32:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:32:28,317 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 495 transitions and produced 370 states. [2022-03-16 06:32:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-16 06:32:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-03-16 06:32:28,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 06:32:28,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:32:28,518 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 06:32:28,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:32:28,519 INFO L85 PathProgramCache]: Analyzing trace with hash -241166447, now seen corresponding path program 3 times [2022-03-16 06:32:28,519 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:32:28,519 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904555213] [2022-03-16 06:32:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:32:28,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:32:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:32:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 2155 proven. 719 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-03-16 06:32:29,963 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:32:29,963 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904555213] [2022-03-16 06:32:29,964 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904555213] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:32:29,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195038937] [2022-03-16 06:32:29,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:32:29,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:32:29,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:32:29,966 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:32:29,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 06:32:30,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 45 check-sat command(s) [2022-03-16 06:32:30,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:32:30,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 153 conjunts are in the unsatisfiable core [2022-03-16 06:32:30,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:32:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 424 proven. 2476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:32:34,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:32:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 390 proven. 2510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:32:40,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195038937] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:32:40,285 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:32:40,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 79, 81] total 210 [2022-03-16 06:32:40,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585469628] [2022-03-16 06:32:40,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:32:40,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-03-16 06:32:40,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:32:40,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-03-16 06:32:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8693, Invalid=35617, Unknown=0, NotChecked=0, Total=44310 [2022-03-16 06:32:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:32:40,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:32:40,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 2.1658767772511847) internal successors, (457), 210 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:32:40,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-16 06:32:40,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-03-16 06:32:40,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:33:00,958 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 570 transitions and produced 460 states. [2022-03-16 06:33:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-16 06:33:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-03-16 06:33:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-03-16 06:33:00,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 06:33:01,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:33:01,160 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 06:33:01,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:33:01,161 INFO L85 PathProgramCache]: Analyzing trace with hash -850199259, now seen corresponding path program 4 times [2022-03-16 06:33:01,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:33:01,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43018747] [2022-03-16 06:33:01,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:33:01,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:33:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:33:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 2025 proven. 2027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:33:04,254 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:33:04,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43018747] [2022-03-16 06:33:04,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43018747] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:33:04,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95932903] [2022-03-16 06:33:04,254 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:33:04,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:33:04,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:33:04,256 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:33:04,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 06:33:04,358 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:33:04,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:33:04,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 184 conjunts are in the unsatisfiable core [2022-03-16 06:33:04,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:33:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 2025 proven. 2027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:33:11,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:33:19,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 2070 proven. 1982 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:33:19,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95932903] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:33:19,515 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:33:19,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 96, 95] total 282 [2022-03-16 06:33:19,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113399111] [2022-03-16 06:33:19,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:33:19,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 283 states [2022-03-16 06:33:19,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:33:19,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 283 interpolants. [2022-03-16 06:33:19,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13909, Invalid=65897, Unknown=0, NotChecked=0, Total=79806 [2022-03-16 06:33:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:33:19,528 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:33:19,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 283 states, 283 states have (on average 2.0282685512367493) internal successors, (574), 282 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:33:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-16 06:33:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-03-16 06:33:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-03-16 06:33:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:33:49,607 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1445 transitions and produced 1033 states. [2022-03-16 06:33:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-16 06:33:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-03-16 06:33:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2022-03-16 06:33:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2022-03-16 06:33:49,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 06:33:49,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:33:49,812 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 06:33:49,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:33:49,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1054343611, now seen corresponding path program 5 times [2022-03-16 06:33:49,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:33:49,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455611369] [2022-03-16 06:33:49,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:33:49,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:33:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:33:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 26960 backedges. 20115 proven. 6755 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-03-16 06:33:57,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:33:57,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455611369] [2022-03-16 06:33:57,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455611369] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:33:57,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942323799] [2022-03-16 06:33:57,730 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 06:33:57,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:33:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:33:57,732 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:33:57,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 06:33:58,461 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 126 check-sat command(s) [2022-03-16 06:33:58,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:33:58,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 463 conjunts are in the unsatisfiable core [2022-03-16 06:33:58,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:34:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 26960 backedges. 2204 proven. 24756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:34:25,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:34:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 26960 backedges. 2115 proven. 24845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:34:55,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942323799] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:34:55,162 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:34:55,163 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [143, 234, 235] total 608 [2022-03-16 06:34:55,163 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095733502] [2022-03-16 06:34:55,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:34:55,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 609 states [2022-03-16 06:34:55,165 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:34:55,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 609 interpolants. [2022-03-16 06:34:55,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66894, Invalid=303378, Unknown=0, NotChecked=0, Total=370272 [2022-03-16 06:34:55,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:34:55,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:34:55,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 609 states, 609 states have (on average 2.1625615763546797) internal successors, (1317), 608 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:34:55,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-16 06:34:55,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-03-16 06:34:55,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2022-03-16 06:34:55,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2022-03-16 06:34:55,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:39:04,941 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3212 transitions and produced 2249 states. [2022-03-16 06:39:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-16 06:39:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-03-16 06:39:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2022-03-16 06:39:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2022-03-16 06:39:04,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 616 states. [2022-03-16 06:39:04,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 06:39:05,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:39:05,144 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 06:39:05,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:39:05,144 INFO L85 PathProgramCache]: Analyzing trace with hash -520957325, now seen corresponding path program 6 times [2022-03-16 06:39:05,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:39:05,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697391943] [2022-03-16 06:39:05,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:39:05,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:39:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:39:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 137909 backedges. 111411 proven. 26312 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-03-16 06:39:43,413 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:39:43,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697391943] [2022-03-16 06:39:43,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697391943] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:39:43,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837479436] [2022-03-16 06:39:43,414 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 06:39:43,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:39:43,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:39:43,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:39:43,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 06:40:16,065 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 310 check-sat command(s) [2022-03-16 06:40:16,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:16,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 2559 conjuncts, 959 conjunts are in the unsatisfiable core [2022-03-16 06:40:16,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:42:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 137909 backedges. 18642 proven. 119229 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-16 06:42:10,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-16 06:44:08,305 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 06:44:08,308 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-16 06:44:08,316 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 06:44:08,317 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 06:44:08,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 06:44:08,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:44:08,509 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1030 with TraceHistMax 322,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1133 known predicates. [2022-03-16 06:44:08,511 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 06:44:08,511 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-16 06:44:08,519 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 06:44:08,520 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 06:44:08,521 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 06:44:08,522 INFO L202 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 06:44:08 BasicIcfg [2022-03-16 06:44:08,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 06:44:08,523 INFO L158 Benchmark]: Toolchain (without parser) took 713591.03ms. Allocated memory was 180.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 138.2MB in the beginning and 1.0GB in the end (delta: -892.3MB). Peak memory consumption was 839.4MB. Max. memory is 8.0GB. [2022-03-16 06:44:08,523 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.41ms. Allocated memory is still 180.4MB. Free memory was 139.3MB in the beginning and 139.2MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 06:44:08,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.92ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 136.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:44:08,524 INFO L158 Benchmark]: Boogie Preprocessor took 15.68ms. Allocated memory is still 180.4MB. Free memory was 136.6MB in the beginning and 135.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:44:08,524 INFO L158 Benchmark]: RCFGBuilder took 186.57ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 126.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 06:44:08,525 INFO L158 Benchmark]: TraceAbstraction took 713351.42ms. Allocated memory was 180.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 126.1MB in the beginning and 1.0GB in the end (delta: -904.4MB). Peak memory consumption was 827.8MB. Max. memory is 8.0GB. [2022-03-16 06:44:08,526 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 0.41ms. Allocated memory is still 180.4MB. Free memory was 139.3MB in the beginning and 139.2MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.92ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 136.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.68ms. Allocated memory is still 180.4MB. Free memory was 136.6MB in the beginning and 135.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 186.57ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 126.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 713351.42ms. Allocated memory was 180.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 126.1MB in the beginning and 1.0GB in the end (delta: -904.4MB). Peak memory consumption was 827.8MB. 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: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1030 with TraceHistMax 322,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1133 known predicates. - TimeoutResultAtElement [Line: 45]: 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 1030 with TraceHistMax 322,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1133 known predicates. - TimeoutResultAtElement [Line: 45]: 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 1030 with TraceHistMax 322,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1133 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 713.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 306.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1339, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 99.4s InterpolantComputationTime, 1898 NumberOfCodeBlocks, 1898 NumberOfCodeBlocksAsserted, 180 NumberOfCheckSat, 2832 ConstructedInterpolants, 0 QuantifiedInterpolants, 33815 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2330 ConjunctsInSsa, 898 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 34234/103635 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