/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.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:44:14,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:44:14,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:44:14,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:44:14,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:44:14,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:44:14,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:44:14,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:44:14,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:44:15,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:44:15,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:44:15,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:44:15,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:44:15,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:44:15,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:44:15,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:44:15,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:44:15,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:44:15,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:44:15,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:44:15,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:44:15,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:44:15,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:44:15,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:44:15,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:44:15,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:44:15,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:44:15,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:44:15,024 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 11:44:15,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:44:15,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:44:15,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:44:15,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:44:15,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:44:15,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:44:15,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:44:15,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:44:15,039 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:44:15,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:44:15,039 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:44:15,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:44:15,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:44:15,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:44:15,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:44:15,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:44:15,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:44:15,042 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:44:15,042 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:44:15,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:44:15,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:44:15,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:44:15,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:44:15,219 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:44:15,222 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:44:15,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2022-03-16 11:44:15,223 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2022-03-16 11:44:15,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:44:15,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:44:15,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:44:15,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:44:15,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:44:15,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,261 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:44:15,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:44:15,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:44:15,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:44:15,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:44:15,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:44:15,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:44:15,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:44:15,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:44:15,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/1) ... [2022-03-16 11:44:15,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:44:15,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:15,301 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 11:44:15,304 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 11:44:15,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:44:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:44:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:44:15,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:44:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:44:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:44:15,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:44:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:44:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:44:15,329 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:44:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:44:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:44:15,329 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 11:44:15,361 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:44:15,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:44:15,423 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:44:15,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:44:15,433 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:44:15,434 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:44:15 BoogieIcfgContainer [2022-03-16 11:44:15,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:44:15,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:44:15,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:44:15,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:44:15,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:44:15" (1/2) ... [2022-03-16 11:44:15,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af1b0e1 and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:44:15, skipping insertion in model container [2022-03-16 11:44:15,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:44:15" (2/2) ... [2022-03-16 11:44:15,439 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2022-03-16 11:44:15,442 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:44:15,442 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:44:15,442 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:44:15,442 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:44:15,483 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:44:15,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:44:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:15,514 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 11:44:15,514 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 11:44:15,543 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:44:15,548 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 11:44:15,548 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:44:15,675 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-16 11:44:15,676 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:44:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:44:15,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-03-16 11:44:15,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:44:15,686 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579848500] [2022-03-16 11:44:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:44:15,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:44:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:44:16,054 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 11:44:16,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:44:16,054 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579848500] [2022-03-16 11:44:16,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579848500] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:44:16,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385340713] [2022-03-16 11:44:16,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:44:16,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:44:16,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:16,057 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 11:44:16,058 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 11:44:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:44:16,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 11:44:16,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:44:16,387 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 11:44:16,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:44:16,592 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 11:44:16,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385340713] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:44:16,593 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:44:16,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-16 11:44:16,598 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049602272] [2022-03-16 11:44:16,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:44:16,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-16 11:44:16,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:44:16,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-16 11:44:16,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-16 11:44:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:16,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:44:16,634 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 11:44:16,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:17,015 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-16 11:44:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:17,035 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 11:44:17,234 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 11:44:17,235 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:44:17,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:44:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-03-16 11:44:17,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:44:17,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135911347] [2022-03-16 11:44:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:44:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:44:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:44:17,404 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 11:44:17,404 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:44:17,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135911347] [2022-03-16 11:44:17,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135911347] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:44:17,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356111441] [2022-03-16 11:44:17,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:44:17,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:44:17,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:17,406 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 11:44:17,407 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 11:44:17,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:44:17,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:44:17,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 11:44:17,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:44:17,624 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 11:44:17,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:44:17,797 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 11:44:17,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356111441] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:44:17,797 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:44:17,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-16 11:44:17,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378837944] [2022-03-16 11:44:17,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:44:17,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-16 11:44:17,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:44:17,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-16 11:44:17,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-16 11:44:17,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:17,799 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:44:17,800 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 11:44:17,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:17,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:18,154 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-16 11:44:18,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:18,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:44:18,172 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 11:44:18,367 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 11:44:18,368 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:44:18,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:44:18,368 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-03-16 11:44:18,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:44:18,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111766673] [2022-03-16 11:44:18,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:44:18,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:44:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:44:18,487 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 11:44:18,487 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:44:18,488 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111766673] [2022-03-16 11:44:18,488 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111766673] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:44:18,488 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352604913] [2022-03-16 11:44:18,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:44:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:44:18,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:18,489 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 11:44:18,490 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 11:44:18,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-16 11:44:18,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:44:18,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-16 11:44:18,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:44:18,749 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 11:44:18,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:44:18,984 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 11:44:18,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352604913] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:44:18,984 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:44:18,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-16 11:44:18,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058957190] [2022-03-16 11:44:18,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:44:18,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-16 11:44:18,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:44:18,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-16 11:44:18,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-16 11:44:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:18,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:44:18,987 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 11:44:18,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:18,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:44:18,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:19,404 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-16 11:44:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:44:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:44:19,431 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 11:44:19,605 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 11:44:19,606 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:44:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:44:19,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-03-16 11:44:19,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:44:19,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744680054] [2022-03-16 11:44:19,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:44:19,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:44:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:44:19,806 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 11:44:19,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:44:19,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744680054] [2022-03-16 11:44:19,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744680054] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:44:19,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405750557] [2022-03-16 11:44:19,806 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:44:19,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:44:19,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:19,808 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 11:44:19,809 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 11:44:19,841 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:44:19,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:44:19,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 11:44:19,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:44:20,214 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 11:44:20,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:44:20,602 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 11:44:20,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405750557] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:44:20,603 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:44:20,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-16 11:44:20,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734794271] [2022-03-16 11:44:20,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:44:20,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-16 11:44:20,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:44:20,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-16 11:44:20,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-16 11:44:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:20,605 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:44:20,605 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 11:44:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:44:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:44:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:21,113 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-16 11:44:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:44:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:44:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:44:21,133 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 11:44:21,314 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 11:44:21,315 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:44:21,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:44:21,315 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-03-16 11:44:21,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:44:21,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194235339] [2022-03-16 11:44:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:44:21,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:44:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:44:21,514 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 11:44:21,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:44:21,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194235339] [2022-03-16 11:44:21,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194235339] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:44:21,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090793880] [2022-03-16 11:44:21,514 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:44:21,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:44:21,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:21,516 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 11:44:21,517 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 11:44:21,563 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-16 11:44:21,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:44:21,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-16 11:44:21,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:44:22,012 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 11:44:22,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:44:22,615 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 11:44:22,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090793880] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:44:22,615 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:44:22,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-16 11:44:22,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800014254] [2022-03-16 11:44:22,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:44:22,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-16 11:44:22,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:44:22,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-16 11:44:22,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-16 11:44:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:22,618 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:44:22,618 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 11:44:22,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:22,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:44:22,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:44:22,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:44:22,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:44:23,350 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-16 11:44:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 11:44:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 11:44:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:44:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:44:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-16 11:44:23,370 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 11:44:23,566 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 11:44:23,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:44:23,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:44:23,567 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-03-16 11:44:23,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:44:23,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097047449] [2022-03-16 11:44:23,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:44:23,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:44:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:44:25,373 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 11:44:25,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:44:25,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097047449] [2022-03-16 11:44:25,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097047449] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:44:25,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273630119] [2022-03-16 11:44:25,374 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:44:25,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:44:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:44:25,375 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 11:44:25,376 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 11:44:25,419 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-16 11:44:25,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:44:25,421 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-03-16 11:44:25,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:44:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:27,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:27,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:27,793 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 11:44:29,286 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-03-16 11:44:29,287 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 11:44:29,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:29,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:29,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:29,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:29,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:29,344 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 11:44:37,234 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 11:44:37,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:44:40,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:40,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:40,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:40,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:40,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:40,781 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:44:40,782 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 11:44:40,947 INFO L244 Elim1Store]: Index analysis took 122 ms [2022-03-16 11:44:49,401 WARN L228 SmtUtils]: Spent 8.45s 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 11:44:49,405 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-03-16 11:44:49,406 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 11:44:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:49,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:49,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:49,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:49,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:44:50,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:44:50,013 INFO L244 Elim1Store]: Index analysis took 113 ms [2022-03-16 11:44:51,234 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:44:51,235 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 11:58:19,906 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 11:58:19,906 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 11:58:19,906 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 11:58:19,908 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 11:58:19,909 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 11:58:19,926 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 11:58:20,110 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 11:58:20,112 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 17ms.. [2022-03-16 11:58:20,114 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 11:58:20,114 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 11:58:20,114 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 11:58:20,119 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 11:58:20,121 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:58:20,121 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:58:20,125 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:58:20 BasicIcfg [2022-03-16 11:58:20,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:58:20,128 INFO L158 Benchmark]: Toolchain (without parser) took 844882.19ms. Allocated memory was 191.9MB in the beginning and 692.1MB in the end (delta: 500.2MB). Free memory was 156.2MB in the beginning and 503.9MB in the end (delta: -347.8MB). Peak memory consumption was 417.3MB. Max. memory is 8.0GB. [2022-03-16 11:58:20,128 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:58:20,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.08ms. Allocated memory is still 191.9MB. Free memory was 156.2MB in the beginning and 154.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:58:20,129 INFO L158 Benchmark]: Boogie Preprocessor took 10.21ms. Allocated memory is still 191.9MB. Free memory was 154.7MB in the beginning and 153.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:58:20,129 INFO L158 Benchmark]: RCFGBuilder took 160.67ms. Allocated memory is still 191.9MB. Free memory was 153.6MB in the beginning and 144.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 11:58:20,130 INFO L158 Benchmark]: TraceAbstraction took 844689.39ms. Allocated memory was 191.9MB in the beginning and 692.1MB in the end (delta: 500.2MB). Free memory was 143.7MB in the beginning and 503.9MB in the end (delta: -360.2MB). Peak memory consumption was 405.8MB. Max. memory is 8.0GB. [2022-03-16 11:58:20,131 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 0.09ms. Allocated memory is still 191.9MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.08ms. Allocated memory is still 191.9MB. Free memory was 156.2MB in the beginning and 154.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.21ms. Allocated memory is still 191.9MB. Free memory was 154.7MB in the beginning and 153.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 160.67ms. Allocated memory is still 191.9MB. Free memory was 153.6MB in the beginning and 144.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 844689.39ms. Allocated memory was 191.9MB in the beginning and 692.1MB in the end (delta: 500.2MB). Free memory was 143.7MB in the beginning and 503.9MB in the end (delta: -360.2MB). Peak memory consumption was 405.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 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 SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 17ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 17ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 17ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 17 for 17ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 844.6s, 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, 4.0s 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