/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:49:08,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:49:08,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:49:08,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:49:08,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:49:08,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:49:08,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:49:08,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:49:08,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:49:08,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:49:08,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:49:08,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:49:08,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:49:08,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:49:08,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:49:08,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:49:08,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:49:08,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:49:08,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:49:08,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:49:08,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:49:08,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:49:08,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:49:08,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:49:08,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:49:08,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:49:08,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:49:08,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:49:08,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:49:08,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:49:08,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:49:08,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:49:08,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:49:08,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:49:08,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:49:08,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:49:08,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:49:08,863 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:49:08,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:49:08,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:49:08,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:49:08,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:49:08,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:49:08,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:49:08,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:49:08,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:49:08,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:49:08,866 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:49:08,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:49:08,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:49:08,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:49:08,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:49:08,867 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:49:08,867 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:49:08,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:49:08,867 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:49:08,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:49:09,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:49:09,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:49:09,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:49:09,042 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:49:09,043 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:49:09,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2022-03-16 22:49:09,044 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2022-03-16 22:49:09,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:49:09,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:49:09,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:49:09,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:49:09,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:49:09,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,080 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:49:09,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:49:09,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:49:09,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:49:09,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:49:09,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:49:09,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:49:09,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:49:09,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:49:09,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/1) ... [2022-03-16 22:49:09,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:49:09,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:49:09,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 22:49:09,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 22:49:09,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:49:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:49:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:49:09,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:49:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:49:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:49:09,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:49:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:49:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:49:09,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:49:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:49:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:49:09,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 22:49:09,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 22:49:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 22:49:09,163 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:49:09,200 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:49:09,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:49:09,333 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:49:09,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:49:09,346 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:49:09,363 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:49:09 BoogieIcfgContainer [2022-03-16 22:49:09,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:49:09,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:49:09,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:49:09,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:49:09,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:09" (1/2) ... [2022-03-16 22:49:09,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7b9d3a and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:49:09, skipping insertion in model container [2022-03-16 22:49:09,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:49:09" (2/2) ... [2022-03-16 22:49:09,369 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2022-03-16 22:49:09,372 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:49:09,373 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:49:09,373 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:49:09,373 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:49:09,414 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 22:49:09,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:49:09,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:49:09,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 22:49:09,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 22:49:09,511 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:49:09,518 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:49:09,518 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 22:49:10,095 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1447 transitions and produced 1360 states. [2022-03-16 22:49:10,098 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:49:10,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:49:10,116 INFO L85 PathProgramCache]: Analyzing trace with hash -789047253, now seen corresponding path program 1 times [2022-03-16 22:49:10,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:49:10,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365769412] [2022-03-16 22:49:10,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:49:10,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:49:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:49:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8611 backedges. 2745 proven. 0 refuted. 0 times theorem prover too weak. 5866 trivial. 0 not checked. [2022-03-16 22:49:10,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:49:10,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365769412] [2022-03-16 22:49:10,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365769412] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:49:10,592 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:49:10,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:49:10,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932538406] [2022-03-16 22:49:10,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:49:10,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:49:10,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:49:10,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:49:10,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:49:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:10,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:49:10,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:49:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:11,255 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3162 transitions and produced 2737 states. [2022-03-16 22:49:11,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:49:11,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:49:11,256 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:49:11,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:49:11,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1809166747, now seen corresponding path program 2 times [2022-03-16 22:49:11,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:49:11,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750882154] [2022-03-16 22:49:11,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:49:11,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:49:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:49:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 33780 proven. 9160 refuted. 0 times theorem prover too weak. 5377 trivial. 0 not checked. [2022-03-16 22:49:12,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:49:12,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750882154] [2022-03-16 22:49:12,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750882154] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:49:12,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530021283] [2022-03-16 22:49:12,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:49:12,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:49:12,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:49:12,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:49:12,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:49:12,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:49:12,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:49:12,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1652 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-16 22:49:12,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:49:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 355 proven. 18850 refuted. 0 times theorem prover too weak. 29112 trivial. 0 not checked. [2022-03-16 22:49:15,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:49:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 2405 proven. 16785 refuted. 0 times theorem prover too weak. 29127 trivial. 0 not checked. [2022-03-16 22:49:17,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530021283] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:49:17,423 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:49:17,424 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 49, 39] total 101 [2022-03-16 22:49:17,424 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456033650] [2022-03-16 22:49:17,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:49:17,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-03-16 22:49:17,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:49:17,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-03-16 22:49:17,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2722, Invalid=7580, Unknown=0, NotChecked=0, Total=10302 [2022-03-16 22:49:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:17,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:49:17,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 4.176470588235294) internal successors, (426), 101 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:49:17,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:49:17,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:23,008 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2833 transitions and produced 2309 states. [2022-03-16 22:49:23,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:49:23,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:49:23,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 22:49:23,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 22:49:23,226 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:49:23,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:49:23,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1422594373, now seen corresponding path program 3 times [2022-03-16 22:49:23,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:49:23,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146447849] [2022-03-16 22:49:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:49:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:49:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:49:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 23408 backedges. 10083 proven. 10905 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2022-03-16 22:49:35,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:49:35,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146447849] [2022-03-16 22:49:35,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146447849] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:49:35,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935350094] [2022-03-16 22:49:35,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:49:35,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:49:35,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:49:35,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:49:35,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:49:35,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-03-16 22:49:35,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:49:35,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 22:49:35,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:49:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 23408 backedges. 1988 proven. 5 refuted. 0 times theorem prover too weak. 21415 trivial. 0 not checked. [2022-03-16 22:49:36,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:49:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 23408 backedges. 1988 proven. 5 refuted. 0 times theorem prover too weak. 21415 trivial. 0 not checked. [2022-03-16 22:49:37,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935350094] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:49:37,235 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:49:37,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [233, 6, 6] total 238 [2022-03-16 22:49:37,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534128629] [2022-03-16 22:49:37,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:49:37,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2022-03-16 22:49:37,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:49:37,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2022-03-16 22:49:37,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13064, Invalid=43342, Unknown=0, NotChecked=0, Total=56406 [2022-03-16 22:49:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:37,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:49:37,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 238 states, 238 states have (on average 1.8529411764705883) internal successors, (441), 238 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:49:37,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:49:37,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:49:37,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:50:17,116 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3943 transitions and produced 3441 states. [2022-03-16 22:50:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:50:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:50:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 675 states. [2022-03-16 22:50:17,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:50:17,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:50:17,332 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:50:17,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:50:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash 814647595, now seen corresponding path program 4 times [2022-03-16 22:50:17,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:50:17,333 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748933736] [2022-03-16 22:50:17,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:50:17,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:50:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:50:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 51817 backedges. 16395 proven. 33002 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2022-03-16 22:50:46,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:50:46,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748933736] [2022-03-16 22:50:46,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748933736] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:50:46,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892078385] [2022-03-16 22:50:46,588 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:50:46,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:50:46,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:50:46,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:50:46,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:50:46,935 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:50:46,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:50:46,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 86 conjunts are in the unsatisfiable core [2022-03-16 22:50:46,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:50:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 51817 backedges. 16017 proven. 2501 refuted. 0 times theorem prover too weak. 33299 trivial. 0 not checked. [2022-03-16 22:50:57,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:51:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 51817 backedges. 16017 proven. 2501 refuted. 0 times theorem prover too weak. 33299 trivial. 0 not checked. [2022-03-16 22:51:08,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892078385] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:51:08,864 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:51:08,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [418, 85, 85] total 586 [2022-03-16 22:51:08,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265507824] [2022-03-16 22:51:08,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:51:08,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 587 states [2022-03-16 22:51:08,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:51:08,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 587 interpolants. [2022-03-16 22:51:08,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34891, Invalid=309091, Unknown=0, NotChecked=0, Total=343982 [2022-03-16 22:51:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:51:08,890 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:51:08,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 587 states, 587 states have (on average 2.1379897785349233) internal successors, (1255), 586 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:51:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:51:08,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:51:08,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 675 states. [2022-03-16 22:51:08,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:51:34,061 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3854 transitions and produced 3090 states. [2022-03-16 22:51:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:51:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-03-16 22:51:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 678 states. [2022-03-16 22:51:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 22:51:34,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 22:51:34,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:51:34,275 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:51:34,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:51:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash 466341701, now seen corresponding path program 5 times [2022-03-16 22:51:34,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:51:34,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577880471] [2022-03-16 22:51:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:51:34,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:51:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:51:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 33562 backedges. 12020 proven. 18554 refuted. 0 times theorem prover too weak. 2988 trivial. 0 not checked. [2022-03-16 22:51:46,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:51:46,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577880471] [2022-03-16 22:51:46,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577880471] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:51:46,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430595984] [2022-03-16 22:51:46,309 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:51:46,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:51:46,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:51:46,310 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:51:46,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:51:47,494 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2022-03-16 22:51:47,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:51:47,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 212 conjunts are in the unsatisfiable core [2022-03-16 22:51:47,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:52:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 33562 backedges. 9622 proven. 23891 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-03-16 22:52:06,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:52:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 33562 backedges. 10442 proven. 23024 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-03-16 22:52:22,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430595984] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:52:22,833 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:52:22,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [243, 211, 141] total 593 [2022-03-16 22:52:22,833 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792332193] [2022-03-16 22:52:22,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:52:22,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 594 states [2022-03-16 22:52:22,836 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:52:22,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 594 interpolants. [2022-03-16 22:52:22,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34447, Invalid=317795, Unknown=0, NotChecked=0, Total=352242 [2022-03-16 22:52:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:52:22,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:52:22,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 594 states, 594 states have (on average 2.9242424242424243) internal successors, (1737), 593 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:52:22,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:52:22,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-03-16 22:52:22,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 678 states. [2022-03-16 22:52:22,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2022-03-16 22:52:22,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:55:24,810 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 55047 transitions and produced 44631 states. [2022-03-16 22:55:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:55:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-03-16 22:55:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 678 states. [2022-03-16 22:55:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 22:55:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1232 states. [2022-03-16 22:55:24,832 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 22:55:25,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:55:25,020 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:55:25,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:55:25,021 INFO L85 PathProgramCache]: Analyzing trace with hash 849424748, now seen corresponding path program 6 times [2022-03-16 22:55:25,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:55:25,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424733960] [2022-03-16 22:55:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:55:25,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:56:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-16 23:03:05,189 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 23:03:05,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 23:03:05,189 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 9836 with TraceHistMax 2527,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1293 known predicates. [2022-03-16 23:03:05,192 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 23:03:05,193 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 23:03:05,196 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 23:03:05,196 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 23:03:05,197 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 23:03:05,197 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 23:03:05,205 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 23:03:05,207 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 23:03:05,207 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 23:03:05,208 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:03:05 BasicIcfg [2022-03-16 23:03:05,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 23:03:05,209 INFO L158 Benchmark]: Toolchain (without parser) took 836147.26ms. Allocated memory was 205.5MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 164.2MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 3.4GB. Max. memory is 8.0GB. [2022-03-16 23:03:05,209 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 205.5MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:03:05,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.16ms. Allocated memory is still 205.5MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 23:03:05,210 INFO L158 Benchmark]: Boogie Preprocessor took 11.23ms. Allocated memory is still 205.5MB. Free memory was 162.5MB in the beginning and 161.6MB in the end (delta: 923.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:03:05,210 INFO L158 Benchmark]: RCFGBuilder took 270.36ms. Allocated memory is still 205.5MB. Free memory was 161.5MB in the beginning and 151.4MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 23:03:05,210 INFO L158 Benchmark]: TraceAbstraction took 835843.68ms. Allocated memory was 205.5MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 151.0MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 3.4GB. Max. memory is 8.0GB. [2022-03-16 23:03:05,211 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 205.5MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.16ms. Allocated memory is still 205.5MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.23ms. Allocated memory is still 205.5MB. Free memory was 162.5MB in the beginning and 161.6MB in the end (delta: 923.7kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 270.36ms. Allocated memory is still 205.5MB. Free memory was 161.5MB in the beginning and 151.4MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 835843.68ms. Allocated memory was 205.5MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 151.0MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 3.4GB. 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: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 9836 with TraceHistMax 2527,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1293 known predicates. - TimeoutResultAtElement [Line: 73]: 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 9836 with TraceHistMax 2527,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1293 known predicates. - TimeoutResultAtElement [Line: 73]: 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 9836 with TraceHistMax 2527,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1293 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 9836 with TraceHistMax 2527,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1293 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 9836 with TraceHistMax 2527,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1293 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 835.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 253.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2387, 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: 0.2s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 117.2s InterpolantComputationTime, 5734 NumberOfCodeBlocks, 5293 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 8441 ConstructedInterpolants, 0 QuantifiedInterpolants, 44541 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5673 ConjunctsInSsa, 360 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 320740/479923 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