/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/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:42:58,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:42:58,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:42:58,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:42:58,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:42:58,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:42:58,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:42:58,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:42:58,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:42:58,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:42:58,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:42:58,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:42:58,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:42:58,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:42:58,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:42:58,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:42:58,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:42:58,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:42:58,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:42:58,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:42:58,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:42:58,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:42:58,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:42:58,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:42:58,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:42:58,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:42:58,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:42:58,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:42:58,845 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 11:42:58,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:42:58,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:42:58,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:42:58,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:42:58,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:42:58,859 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:42:58,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:42:58,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:42:58,860 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:42:58,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:42:58,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:42:58,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:42:58,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:42:58,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:42:58,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:42:58,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:42:58,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:42:58,861 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:42:58,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:42:58,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:42:58,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:42:58,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:42:58,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:42:58,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:42:58,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:42:58,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:42:58,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:42:58,862 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:42:58,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:42:58,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:42:58,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:42:58,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:42:58,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:42:58,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:42:58,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:42:58,863 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:42:58,863 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:42:58,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:42:59,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:42:59,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:42:59,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:42:59,060 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:42:59,062 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:42:59,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-03-16 11:42:59,063 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-03-16 11:42:59,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:42:59,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:42:59,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:42:59,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:42:59,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:42:59,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,101 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:42:59,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:42:59,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:42:59,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:42:59,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:42:59,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:42:59,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:42:59,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:42:59,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:42:59,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/1) ... [2022-03-16 11:42:59,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:42:59,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:42:59,148 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 11:42:59,160 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 11:42:59,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:42:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:42:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:42:59,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:42:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:42:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:42:59,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:42:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:42:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:42:59,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:42:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:42:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:42:59,189 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 11:42:59,224 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:42:59,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:42:59,344 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:42:59,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:42:59,355 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:42:59,357 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:42:59 BoogieIcfgContainer [2022-03-16 11:42:59,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:42:59,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:42:59,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:42:59,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:42:59,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:42:59" (1/2) ... [2022-03-16 11:42:59,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2495bfda and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:42:59, skipping insertion in model container [2022-03-16 11:42:59,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:42:59" (2/2) ... [2022-03-16 11:42:59,375 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-03-16 11:42:59,382 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:42:59,383 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:42:59,383 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:42:59,383 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:42:59,430 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:42:59,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:42:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:42:59,484 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 11:42:59,494 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 11:42:59,522 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:42:59,531 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 11:42:59,532 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:42:59,668 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-16 11:42:59,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:42:59,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:42:59,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-03-16 11:42:59,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:42:59,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928708243] [2022-03-16 11:42:59,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:42:59,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:42:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:43:00,133 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 11:43:00,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:43:00,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928708243] [2022-03-16 11:43:00,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928708243] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:43:00,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248336362] [2022-03-16 11:43:00,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:43:00,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:43:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:43:00,136 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 11:43:00,137 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 11:43:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:43:00,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 11:43:00,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:43:00,427 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 11:43:00,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:43:00,616 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 11:43:00,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248336362] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:43:00,616 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:43:00,616 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-16 11:43:00,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885965121] [2022-03-16 11:43:00,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:43:00,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-16 11:43:00,622 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:43:00,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-16 11:43:00,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-16 11:43:00,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:00,640 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:43:00,641 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 11:43:00,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:01,039 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-16 11:43:01,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:01,058 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 11:43:01,251 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 11:43:01,252 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:43:01,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:43:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-03-16 11:43:01,253 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:43:01,253 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367204926] [2022-03-16 11:43:01,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:43:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:43:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:43:01,404 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 11:43:01,404 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:43:01,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367204926] [2022-03-16 11:43:01,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367204926] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:43:01,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090825692] [2022-03-16 11:43:01,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:43:01,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:43:01,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:43:01,406 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 11:43:01,407 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 11:43:01,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:43:01,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:43:01,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 11:43:01,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:43:01,626 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 11:43:01,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:43:01,806 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 11:43:01,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090825692] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:43:01,807 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:43:01,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-16 11:43:01,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053656038] [2022-03-16 11:43:01,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:43:01,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-16 11:43:01,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:43:01,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-16 11:43:01,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-16 11:43:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:01,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:43:01,814 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 11:43:01,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:01,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:02,184 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-16 11:43:02,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:02,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:43:02,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 11:43:02,391 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 11:43:02,392 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:43:02,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:43:02,392 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-03-16 11:43:02,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:43:02,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205518759] [2022-03-16 11:43:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:43:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:43:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:43:02,501 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 11:43:02,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:43:02,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205518759] [2022-03-16 11:43:02,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205518759] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:43:02,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713965388] [2022-03-16 11:43:02,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:43:02,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:43:02,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:43:02,504 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 11:43:02,505 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 11:43:02,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-16 11:43:02,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:43:02,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-16 11:43:02,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:43:02,771 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 11:43:02,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:43:03,032 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 11:43:03,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713965388] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:43:03,033 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:43:03,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-16 11:43:03,033 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219033478] [2022-03-16 11:43:03,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:43:03,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-16 11:43:03,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:43:03,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-16 11:43:03,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-16 11:43:03,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:03,035 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:43:03,035 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 11:43:03,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:03,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:43:03,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:03,447 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-16 11:43:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:43:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:43:03,467 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 11:43:03,648 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 11:43:03,649 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:43:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:43:03,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-03-16 11:43:03,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:43:03,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017988004] [2022-03-16 11:43:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:43:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:43:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:43:03,859 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 11:43:03,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:43:03,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017988004] [2022-03-16 11:43:03,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017988004] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:43:03,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983496629] [2022-03-16 11:43:03,860 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:43:03,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:43:03,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:43:03,861 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 11:43:03,863 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 11:43:03,908 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:43:03,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:43:03,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 11:43:03,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:43:04,261 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 11:43:04,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:43:04,643 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 11:43:04,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983496629] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:43:04,643 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:43:04,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-16 11:43:04,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395113261] [2022-03-16 11:43:04,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:43:04,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-16 11:43:04,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:43:04,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-16 11:43:04,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-16 11:43:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:04,646 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:43:04,646 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 11:43:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:43:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:43:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:05,110 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-16 11:43:05,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:05,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:43:05,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:43:05,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:43:05,129 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 11:43:05,311 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 11:43:05,311 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:43:05,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:43:05,312 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-03-16 11:43:05,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:43:05,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560284945] [2022-03-16 11:43:05,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:43:05,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:43:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:43:05,500 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 11:43:05,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:43:05,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560284945] [2022-03-16 11:43:05,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560284945] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:43:05,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836528512] [2022-03-16 11:43:05,511 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:43:05,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:43:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:43:05,512 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 11:43:05,513 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 11:43:05,548 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-16 11:43:05,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:43:05,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-16 11:43:05,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:43:05,975 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 11:43:05,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:43:06,520 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 11:43:06,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836528512] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:43:06,521 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:43:06,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-16 11:43:06,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019509407] [2022-03-16 11:43:06,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:43:06,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-16 11:43:06,522 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:43:06,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-16 11:43:06,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-16 11:43:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:06,525 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:43:06,525 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 11:43:06,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:43:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:43:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:43:06,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:43:07,263 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-16 11:43:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:43:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:43:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:43:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:43:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-16 11:43:07,285 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 11:43:07,485 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 11:43:07,486 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:43:07,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:43:07,486 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-03-16 11:43:07,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:43:07,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286689190] [2022-03-16 11:43:07,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:43:07,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:43:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:43:09,239 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 11:43:09,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:43:09,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286689190] [2022-03-16 11:43:09,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286689190] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:43:09,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579104840] [2022-03-16 11:43:09,240 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:43:09,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:43:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:43:09,241 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 11:43:09,242 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 11:43:09,283 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-16 11:43:09,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:43:09,285 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-03-16 11:43:09,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:43:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:11,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:11,595 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 177 [2022-03-16 11:43:13,013 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-03-16 11:43:13,014 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 177 treesize of output 967 [2022-03-16 11:43:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:13,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:13,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:13,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:13,080 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1247 treesize of output 991 [2022-03-16 11:43:20,559 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 11:43:20,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:43:23,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:23,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:23,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:23,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:23,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:23,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:24,041 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:43:24,042 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 279 treesize of output 1086 [2022-03-16 11:43:24,189 INFO L244 Elim1Store]: Index analysis took 102 ms [2022-03-16 11:43:32,403 WARN L228 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 1173 DAG size of output: 869 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 11:43:32,405 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-03-16 11:43:32,406 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 197 treesize of output 2863 [2022-03-16 11:43:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:32,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:32,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:32,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:32,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:43:33,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:43:33,022 INFO L244 Elim1Store]: Index analysis took 101 ms [2022-03-16 11:43:34,156 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:43:34,158 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 2820 treesize of output 2572 Received shutdown request... [2022-03-16 11:57:02,680 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 11:57:02,684 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 11:57:02,686 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 11:57:02,687 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 11:57:02,698 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 11:57:02,895 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 11:57:02,895 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-321-11-3-9-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. [2022-03-16 11:57:02,897 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 11:57:02,898 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 11:57:02,898 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 11:57:02,902 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 11:57:02,903 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:57:02,903 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:57:02,905 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:57:02 BasicIcfg [2022-03-16 11:57:02,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:57:02,905 INFO L158 Benchmark]: Toolchain (without parser) took 843822.59ms. Allocated memory was 175.1MB in the beginning and 607.1MB in the end (delta: 432.0MB). Free memory was 135.1MB in the beginning and 248.4MB in the end (delta: -113.3MB). Peak memory consumption was 370.0MB. Max. memory is 8.0GB. [2022-03-16 11:57:02,905 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:57:02,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.05ms. Allocated memory is still 175.1MB. Free memory was 135.0MB in the beginning and 133.4MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-16 11:57:02,906 INFO L158 Benchmark]: Boogie Preprocessor took 17.24ms. Allocated memory is still 175.1MB. Free memory was 133.4MB in the beginning and 132.5MB in the end (delta: 918.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:57:02,906 INFO L158 Benchmark]: RCFGBuilder took 234.79ms. Allocated memory is still 175.1MB. Free memory was 132.4MB in the beginning and 123.1MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 11:57:02,907 INFO L158 Benchmark]: TraceAbstraction took 843546.75ms. Allocated memory was 175.1MB in the beginning and 607.1MB in the end (delta: 432.0MB). Free memory was 122.6MB in the beginning and 248.4MB in the end (delta: -125.8MB). Peak memory consumption was 356.3MB. Max. memory is 8.0GB. [2022-03-16 11:57:02,908 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 175.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.05ms. Allocated memory is still 175.1MB. Free memory was 135.0MB in the beginning and 133.4MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.24ms. Allocated memory is still 175.1MB. Free memory was 133.4MB in the beginning and 132.5MB in the end (delta: 918.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.79ms. Allocated memory is still 175.1MB. Free memory was 132.4MB in the beginning and 123.1MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 843546.75ms. Allocated memory was 175.1MB in the beginning and 607.1MB in the end (delta: 432.0MB). Free memory was 122.6MB in the beginning and 248.4MB in the end (delta: -125.8MB). Peak memory consumption was 356.3MB. 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: 67]: 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-321-11-3-9-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 60]: 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-321-11-3-9-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 60]: 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-321-11-3-9-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 61]: 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-321-11-3-9-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 843.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.5s, 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, 3.9s 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