/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-4b0ab11 [2022-03-04 06:18:58,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:18:58,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:18:58,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 06:18:58,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 06:18:58,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 06:18:58,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 06:18:58,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 06:18:58,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 06:18:58,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 06:18:58,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 06:18:58,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 06:18:58,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:18:58,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:18:58,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:18:58,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:18:58,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:18:58,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:18:58,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:18:58,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:18:58,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:18:58,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:18:58,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:18:58,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:18:58,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:18:58,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 06:18:58,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 06:18:58,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 06:18:58,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 06:18:58,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 06:18:58,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 06:18:58,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 06:18:58,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 06:18:58,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 06:18:58,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 06:18:58,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 06:18:58,298 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 [2022-03-04 06:18:58,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:18:58,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:18:58,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:18:58,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:18:58,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:18:58,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:18:58,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:18:58,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:18:58,325 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:18:58,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:18:58,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:18:58,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:18:58,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:18:58,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:18:58,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:18:58,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:18:58,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:18:58,327 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:18:58,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:18:58,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:18:58,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:18:58,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:18:58,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:18:58,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:18:58,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:18:58,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:18:58,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:18:58,329 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:18:58,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:18:58,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:18:58,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:18:58,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:18:58,329 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:18:58,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:18:58,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:18:58,330 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:18:58,330 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:18:58,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:18:58,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:18:58,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:18:58,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:18:58,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:18:58,580 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:18:58,581 INFO L432 ainManager$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 [2022-03-04 06:18:58,581 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2022-03-04 06:18:58,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:18:58,602 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:18:58,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:18:58,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:18:58,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:18:58,615 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 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,621 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 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,626 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:18:58,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:18:58,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:18:58,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:18:58,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:18:58,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:18:58,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:18:58,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:18:58,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:18:58,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/1) ... [2022-03-04 06:18:58,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:18:58,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:58,707 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) [2022-03-04 06:18:58,721 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 [2022-03-04 06:18:58,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:18:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:18:58,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:18:58,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:18:58,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:18:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:18:58,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:18:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:18:58,746 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 06:18:58,781 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:18:58,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:18:58,905 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:18:58,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:18:58,915 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:18:58,917 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:18:58 BoogieIcfgContainer [2022-03-04 06:18:58,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:18:58,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:18:58,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:18:58,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:18:58,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:58" (1/2) ... [2022-03-04 06:18:58,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a7e1bd and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:18:58, skipping insertion in model container [2022-03-04 06:18:58,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:18:58" (2/2) ... [2022-03-04 06:18:58,927 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2022-03-04 06:18:58,933 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:18:58,934 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:18:58,934 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:18:58,934 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:18:58,965 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 06:18:58,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:18:58,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:59,000 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) [2022-03-04 06:18:59,042 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 [2022-03-04 06:18:59,047 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:18:59,052 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 [2022-03-04 06:18:59,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 06:18:59,231 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-04 06:18:59,239 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:18:59,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:18:59,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-03-04 06:18:59,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:18:59,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266473526] [2022-03-04 06:18:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:59,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:18:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:59,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:18:59,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266473526] [2022-03-04 06:18:59,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266473526] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:18:59,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928923655] [2022-03-04 06:18:59,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:59,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:59,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:59,797 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) [2022-03-04 06:18:59,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 06:18:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:59,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 06:18:59,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:19:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 06:19:00,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:19:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 06:19:00,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928923655] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:19:00,427 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:19:00,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-04 06:19:00,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595291140] [2022-03-04 06:19:00,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:19:00,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-04 06:19:00,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:19:00,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-04 06:19:00,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-04 06:19:00,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:00,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:19:00,458 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) [2022-03-04 06:19:00,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:00,879 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-04 06:19:00,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:00,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 06:19:01,101 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 [2022-03-04 06:19:01,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:19:01,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:19:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-03-04 06:19:01,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:19:01,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855385882] [2022-03-04 06:19:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:19:01,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:19:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:19:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:01,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:19:01,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855385882] [2022-03-04 06:19:01,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855385882] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:19:01,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790066313] [2022-03-04 06:19:01,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 06:19:01,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:19:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:19:01,349 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) [2022-03-04 06:19:01,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 06:19:01,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 06:19:01,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:19:01,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-04 06:19:01,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:19:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-04 06:19:01,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:19:01,888 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-04 06:19:01,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790066313] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:19:01,889 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:19:01,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-04 06:19:01,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945503288] [2022-03-04 06:19:01,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:19:01,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-04 06:19:01,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:19:01,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-04 06:19:01,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-04 06:19:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:01,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:19:01,892 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) [2022-03-04 06:19:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:02,341 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-04 06:19:02,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:02,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:19:02,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 06:19:02,543 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 [2022-03-04 06:19:02,543 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:19:02,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:19:02,544 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-03-04 06:19:02,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:19:02,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668555008] [2022-03-04 06:19:02,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:19:02,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:19:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:19:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:19:02,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:19:02,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668555008] [2022-03-04 06:19:02,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668555008] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:19:02,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329604325] [2022-03-04 06:19:02,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:19:02,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:19:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:19:02,669 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) [2022-03-04 06:19:02,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:19:02,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-04 06:19:02,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:19:02,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-04 06:19:02,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:19:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:19:03,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:19:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:19:03,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329604325] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:19:03,342 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:19:03,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-04 06:19:03,342 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103527027] [2022-03-04 06:19:03,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:19:03,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-04 06:19:03,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:19:03,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-04 06:19:03,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-04 06:19:03,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:03,344 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:19:03,345 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) [2022-03-04 06:19:03,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:03,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:19:03,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:03,852 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-04 06:19:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:19:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:19:03,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 06:19:04,054 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 [2022-03-04 06:19:04,054 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:19:04,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:19:04,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-03-04 06:19:04,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:19:04,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806264026] [2022-03-04 06:19:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:19:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:19:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:19:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:04,316 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:19:04,316 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806264026] [2022-03-04 06:19:04,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806264026] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:19:04,316 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799281604] [2022-03-04 06:19:04,316 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:19:04,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:19:04,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:19:04,318 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) [2022-03-04 06:19:04,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:19:04,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:19:04,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:19:04,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 06:19:04,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:19:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:19:04,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:19:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:19:05,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799281604] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:19:05,288 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:19:05,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-04 06:19:05,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823216269] [2022-03-04 06:19:05,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:19:05,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-04 06:19:05,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:19:05,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-04 06:19:05,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-04 06:19:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:05,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:19:05,293 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) [2022-03-04 06:19:05,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:05,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:19:05,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:19:05,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:05,790 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-04 06:19:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:19:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:19:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:19:05,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:19:06,003 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 [2022-03-04 06:19:06,004 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:19:06,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:19:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-03-04 06:19:06,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:19:06,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702661154] [2022-03-04 06:19:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:19:06,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:19:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:19:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:06,245 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:19:06,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702661154] [2022-03-04 06:19:06,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702661154] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:19:06,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42472884] [2022-03-04 06:19:06,245 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:19:06,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:19:06,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:19:06,247 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) [2022-03-04 06:19:06,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:19:06,289 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-04 06:19:06,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:19:06,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-04 06:19:06,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:19:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:06,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:19:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:07,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42472884] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:19:07,262 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:19:07,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-04 06:19:07,262 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932865274] [2022-03-04 06:19:07,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:19:07,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-04 06:19:07,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:19:07,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-04 06:19:07,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-04 06:19:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:07,265 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:19:07,265 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) [2022-03-04 06:19:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:19:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:19:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:19:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:19:07,829 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-04 06:19:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:19:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:19:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:19:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:19:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-04 06:19:07,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:19:08,031 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 [2022-03-04 06:19:08,031 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:19:08,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:19:08,032 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-03-04 06:19:08,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:19:08,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311056139] [2022-03-04 06:19:08,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:19:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:19:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:19:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:09,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:19:09,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311056139] [2022-03-04 06:19:09,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311056139] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:19:09,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45984961] [2022-03-04 06:19:09,699 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:19:09,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:19:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:19:09,700 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) [2022-03-04 06:19:09,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 06:19:09,766 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-04 06:19:09,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:19:09,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-03-04 06:19:09,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:19:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:12,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:12,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:12,100 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 [2022-03-04 06:19:13,534 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-03-04 06:19:13,535 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 [2022-03-04 06:19:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:13,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:13,610 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 [2022-03-04 06:19:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:23,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:19:27,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:27,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:27,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:27,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:27,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:27,813 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:19:27,814 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 [2022-03-04 06:19:27,962 INFO L244 Elim1Store]: Index analysis took 110 ms [2022-03-04 06:19:37,395 WARN L228 SmtUtils]: Spent 9.43s 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) [2022-03-04 06:19:37,398 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-03-04 06:19:37,399 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 [2022-03-04 06:19:38,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:38,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:38,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:38,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:38,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:38,327 INFO L244 Elim1Store]: Index analysis took 169 ms [2022-03-04 06:19:39,896 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:19:39,898 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... [2022-03-04 06:33:24,842 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:33:24,854 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 [2022-03-04 06:33:24,855 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 [2022-03-04 06:33:24,855 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 [2022-03-04 06:33:24,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 06:33:25,061 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 [2022-03-04 06:33:25,061 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-325-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. [2022-03-04 06:33:25,063 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:33:25,063 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:33:25,063 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:33:25,067 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:33:25,069 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:33:25,069 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:33:25,070 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:33:25 BasicIcfg [2022-03-04 06:33:25,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:33:25,076 INFO L158 Benchmark]: Toolchain (without parser) took 866469.24ms. Allocated memory was 187.7MB in the beginning and 807.4MB in the end (delta: 619.7MB). Free memory was 147.3MB in the beginning and 610.1MB in the end (delta: -462.7MB). Peak memory consumption was 487.4MB. Max. memory is 8.0GB. [2022-03-04 06:33:25,077 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:33:25,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.54ms. Allocated memory is still 187.7MB. Free memory was 147.3MB in the beginning and 145.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:33:25,077 INFO L158 Benchmark]: Boogie Preprocessor took 30.09ms. Allocated memory is still 187.7MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:33:25,077 INFO L158 Benchmark]: RCFGBuilder took 256.53ms. Allocated memory is still 187.7MB. Free memory was 144.8MB in the beginning and 135.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:33:25,078 INFO L158 Benchmark]: TraceAbstraction took 866151.99ms. Allocated memory was 187.7MB in the beginning and 807.4MB in the end (delta: 619.7MB). Free memory was 135.0MB in the beginning and 610.1MB in the end (delta: -475.1MB). Peak memory consumption was 475.9MB. Max. memory is 8.0GB. [2022-03-04 06:33:25,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.54ms. Allocated memory is still 187.7MB. Free memory was 147.3MB in the beginning and 145.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.09ms. Allocated memory is still 187.7MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 256.53ms. Allocated memory is still 187.7MB. Free memory was 144.8MB in the beginning and 135.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 866151.99ms. Allocated memory was 187.7MB in the beginning and 807.4MB in the end (delta: 619.7MB). Free memory was 135.0MB in the beginning and 610.1MB in the end (delta: -475.1MB). Peak memory consumption was 475.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-325-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-325-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-325-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-325-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.6s, 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, 0.3s SatisfiabilityAnalysisTime, 4.7s 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