/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 12:00:27,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 12:00:27,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 12:00:27,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 12:00:27,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 12:00:27,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 12:00:27,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 12:00:27,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 12:00:27,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 12:00:27,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 12:00:27,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 12:00:27,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 12:00:27,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 12:00:27,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 12:00:27,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 12:00:27,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 12:00:27,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 12:00:27,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 12:00:27,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 12:00:27,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 12:00:27,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 12:00:27,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 12:00:27,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 12:00:27,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 12:00:27,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 12:00:27,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 12:00:27,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 12:00:27,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 12:00:27,156 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.epf [2022-03-16 12:00:27,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 12:00:27,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 12:00:27,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 12:00:27,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 12:00:27,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 12:00:27,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 12:00:27,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 12:00:27,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 12:00:27,171 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 12:00:27,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 12:00:27,172 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 12:00:27,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 12:00:27,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 12:00:27,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 12:00:27,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 12:00:27,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 12:00:27,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 12:00:27,173 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 12:00:27,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 12:00:27,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 12:00:27,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 12:00:27,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 12:00:27,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 12:00:27,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 12:00:27,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 12:00:27,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 12:00:27,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 12:00:27,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 12:00:27,176 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 12:00:27,176 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 12:00:27,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 12:00:27,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 12:00:27,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 12:00:27,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 12:00:27,384 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 12:00:27,388 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 12:00:27,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2022-03-16 12:00:27,389 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2022-03-16 12:00:27,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 12:00:27,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 12:00:27,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 12:00:27,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 12:00:27,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 12:00:27,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,441 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 12:00:27,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 12:00:27,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 12:00:27,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 12:00:27,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 12:00:27,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 12:00:27,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 12:00:27,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 12:00:27,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 12:00:27,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/1) ... [2022-03-16 12:00:27,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 12:00:27,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:27,510 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 12:00:27,533 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 12:00:27,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 12:00:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 12:00:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 12:00:27,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 12:00:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 12:00:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 12:00:27,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 12:00:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 12:00:27,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 12:00:27,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 12:00:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 12:00:27,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 12:00:27,552 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 12:00:27,603 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 12:00:27,606 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 12:00:27,704 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 12:00:27,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 12:00:27,715 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 12:00:27,717 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 12:00:27 BoogieIcfgContainer [2022-03-16 12:00:27,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 12:00:27,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 12:00:27,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 12:00:27,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 12:00:27,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 12:00:27" (1/2) ... [2022-03-16 12:00:27,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163c25e8 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 12:00:27, skipping insertion in model container [2022-03-16 12:00:27,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 12:00:27" (2/2) ... [2022-03-16 12:00:27,723 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2022-03-16 12:00:27,726 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 12:00:27,727 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 12:00:27,727 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 12:00:27,727 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 12:00:27,776 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 12:00:27,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 12:00:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:27,806 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 12:00:27,834 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 12:00:27,883 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 12:00:27,893 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=true [2022-03-16 12:00:27,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 12:00:28,109 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-16 12:00:28,111 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 12:00:28,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:00:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-03-16 12:00:28,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:00:28,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546363322] [2022-03-16 12:00:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:00:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:00:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:00:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:28,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:00:28,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546363322] [2022-03-16 12:00:28,533 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546363322] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:00:28,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826005640] [2022-03-16 12:00:28,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:00:28,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:00:28,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:28,553 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 12:00:28,565 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 12:00:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:00:28,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 12:00:28,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:00:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-16 12:00:28,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:00:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-16 12:00:29,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826005640] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:00:29,115 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:00:29,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-16 12:00:29,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275969115] [2022-03-16 12:00:29,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:00:29,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-16 12:00:29,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:00:29,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-16 12:00:29,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-16 12:00:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:29,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:00:29,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 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 12:00:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:29,517 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-16 12:00:29,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:29,539 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 12:00:29,739 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 12:00:29,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 12:00:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:00:29,740 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-03-16 12:00:29,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:00:29,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475891103] [2022-03-16 12:00:29,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:00:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:00:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:00:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:29,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:00:29,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475891103] [2022-03-16 12:00:29,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475891103] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:00:29,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645518149] [2022-03-16 12:00:29,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 12:00:29,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:00:29,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:29,936 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 12:00:29,937 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 12:00:29,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 12:00:29,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:00:29,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 12:00:29,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:00:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-16 12:00:30,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:00:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-16 12:00:30,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645518149] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:00:30,384 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:00:30,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-16 12:00:30,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402328749] [2022-03-16 12:00:30,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:00:30,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-16 12:00:30,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:00:30,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-16 12:00:30,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-16 12:00:30,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:30,386 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:00:30,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 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 12:00:30,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:30,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:30,783 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-16 12:00:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 12:00:30,801 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 12:00:30,996 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 12:00:30,997 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 12:00:30,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:00:30,998 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-03-16 12:00:30,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:00:30,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39871043] [2022-03-16 12:00:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:00:30,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:00:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:00:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 12:00:31,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:00:31,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39871043] [2022-03-16 12:00:31,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39871043] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:00:31,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615064370] [2022-03-16 12:00:31,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 12:00:31,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:00:31,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:31,136 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 12:00:31,137 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 12:00:31,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-16 12:00:31,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:00:31,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-16 12:00:31,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:00:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 12:00:31,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:00:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 12:00:31,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615064370] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:00:31,659 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:00:31,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-16 12:00:31,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389990914] [2022-03-16 12:00:31,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:00:31,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-16 12:00:31,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:00:31,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-16 12:00:31,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-16 12:00:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:31,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:00:31,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 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 12:00:31,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:31,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 12:00:31,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:32,081 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-16 12:00:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 12:00:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 12:00:32,112 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 12:00:32,282 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 12:00:32,283 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 12:00:32,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:00:32,283 INFO L85 PathProgramCache]: Analyzing trace with hash -687872334, now seen corresponding path program 4 times [2022-03-16 12:00:32,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:00:32,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189963453] [2022-03-16 12:00:32,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:00:32,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:00:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:00:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:32,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:00:32,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189963453] [2022-03-16 12:00:32,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189963453] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:00:32,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965785863] [2022-03-16 12:00:32,491 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 12:00:32,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:00:32,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:32,492 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 12:00:32,493 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 12:00:32,524 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 12:00:32,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:00:32,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 12:00:32,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:00:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 12:00:32,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:00:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 12:00:33,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965785863] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:00:33,333 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:00:33,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-16 12:00:33,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615145432] [2022-03-16 12:00:33,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:00:33,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-16 12:00:33,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:00:33,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-16 12:00:33,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-16 12:00:33,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:33,335 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:00:33,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 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 12:00:33,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:33,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 12:00:33,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 12:00:33,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:33,889 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-16 12:00:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 12:00:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 12:00:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 12:00:33,917 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 12:00:34,090 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 12:00:34,090 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 12:00:34,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:00:34,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 5 times [2022-03-16 12:00:34,091 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:00:34,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734887593] [2022-03-16 12:00:34,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:00:34,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:00:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:00:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:34,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:00:34,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734887593] [2022-03-16 12:00:34,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734887593] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:00:34,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544033933] [2022-03-16 12:00:34,379 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 12:00:34,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:00:34,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:34,380 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 12:00:34,381 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 12:00:34,416 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-16 12:00:34,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:00:34,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-16 12:00:34,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:00:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:34,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:00:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:35,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544033933] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 12:00:35,477 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 12:00:35,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-16 12:00:35,477 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527593885] [2022-03-16 12:00:35,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 12:00:35,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-16 12:00:35,477 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 12:00:35,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-16 12:00:35,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-16 12:00:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:35,479 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 12:00:35,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 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 12:00:35,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:35,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 12:00:35,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 12:00:35,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 12:00:35,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 12:00:36,231 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-16 12:00:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 12:00:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 12:00:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 12:00:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 12:00:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-16 12:00:36,248 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 12:00:36,432 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 12:00:36,432 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 12:00:36,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 12:00:36,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 6 times [2022-03-16 12:00:36,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 12:00:36,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478504795] [2022-03-16 12:00:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 12:00:36,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 12:00:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 12:00:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:38,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 12:00:38,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478504795] [2022-03-16 12:00:38,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478504795] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 12:00:38,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664853845] [2022-03-16 12:00:38,031 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 12:00:38,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 12:00:38,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 12:00:38,032 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 12:00:38,055 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 12:00:38,100 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-16 12:00:38,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 12:00:38,102 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-03-16 12:00:38,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 12:00:40,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:40,974 INFO L244 Elim1Store]: Index analysis took 142 ms [2022-03-16 12:00:41,266 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 12:00:41,267 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 135 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 101 treesize of output 431 [2022-03-16 12:00:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 12:00:42,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 12:00:47,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:47,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:47,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:47,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 12:00:47,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:47,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 12:00:51,207 INFO L353 Elim1Store]: treesize reduction 192, result has 83.6 percent of original size [2022-03-16 12:00:51,208 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 49 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 144 case distinctions, treesize of input 215 treesize of output 1020 Received shutdown request... [2022-03-16 12:15:06,340 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 12:15:06,356 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 12:15:06,370 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 12:15:06,370 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 12:15:06,370 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 12:15:06,551 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 12:15:06,551 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 767 of 1024 xjuncts. [2022-03-16 12:15:06,553 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 12:15:06,553 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 12:15:06,553 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 12:15:06,557 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 12:15:06,558 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 12:15:06,558 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 12:15:06,559 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 12:15:06 BasicIcfg [2022-03-16 12:15:06,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 12:15:06,560 INFO L158 Benchmark]: Toolchain (without parser) took 879147.69ms. Allocated memory was 188.7MB in the beginning and 704.6MB in the end (delta: 515.9MB). Free memory was 147.0MB in the beginning and 660.8MB in the end (delta: -513.8MB). Peak memory consumption was 431.4MB. Max. memory is 8.0GB. [2022-03-16 12:15:06,560 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 12:15:06,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.58ms. Allocated memory is still 188.7MB. Free memory was 146.9MB in the beginning and 145.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 12:15:06,562 INFO L158 Benchmark]: Boogie Preprocessor took 20.54ms. Allocated memory is still 188.7MB. Free memory was 145.4MB in the beginning and 144.4MB in the end (delta: 952.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 12:15:06,563 INFO L158 Benchmark]: RCFGBuilder took 250.07ms. Allocated memory is still 188.7MB. Free memory was 144.4MB in the beginning and 160.9MB in the end (delta: -16.5MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-03-16 12:15:06,563 INFO L158 Benchmark]: TraceAbstraction took 878841.17ms. Allocated memory was 188.7MB in the beginning and 704.6MB in the end (delta: 515.9MB). Free memory was 160.4MB in the beginning and 660.8MB in the end (delta: -500.4MB). Peak memory consumption was 443.2MB. Max. memory is 8.0GB. [2022-03-16 12:15:06,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.58ms. Allocated memory is still 188.7MB. Free memory was 146.9MB in the beginning and 145.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.54ms. Allocated memory is still 188.7MB. Free memory was 145.4MB in the beginning and 144.4MB in the end (delta: 952.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 250.07ms. Allocated memory is still 188.7MB. Free memory was 144.4MB in the beginning and 160.9MB in the end (delta: -16.5MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * TraceAbstraction took 878841.17ms. Allocated memory was 188.7MB in the beginning and 704.6MB in the end (delta: 515.9MB). Free memory was 160.4MB in the beginning and 660.8MB in the end (delta: -500.4MB). Peak memory consumption was 443.2MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 767 of 1024 xjuncts. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 767 of 1024 xjuncts. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 767 of 1024 xjuncts. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 767 of 1024 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 878.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 162, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 496 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 4172 SizeOfPredicates, 32 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 838/1401 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