/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 04:23:20,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:23:20,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:23:20,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 04:23:20,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 04:23:20,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 04:23:20,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 04:23:20,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 04:23:20,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 04:23:20,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 04:23:20,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 04:23:20,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 04:23:20,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 04:23:20,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 04:23:20,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 04:23:20,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 04:23:20,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 04:23:20,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 04:23:20,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 04:23:20,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 04:23:20,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 04:23:20,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 04:23:20,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 04:23:20,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 04:23:20,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 04:23:20,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:23:20,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:23:20,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:23:20,875 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.epf [2022-02-20 04:23:20,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:23:20,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:23:20,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:23:20,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:23:20,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:23:20,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:23:20,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:23:20,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:23:20,908 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:23:20,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:23:20,909 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:23:20,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:23:20,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:23:20,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:23:20,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:23:20,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:23:20,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:23:20,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:23:20,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:23:20,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:23:20,911 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:23:20,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:23:20,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:23:20,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:23:20,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:23:20,911 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:23:20,911 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:23:20,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:23:20,912 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:23:20,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:23:21,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:23:21,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:23:21,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:23:21,133 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:23:21,134 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:23:21,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-02-20 04:23:21,135 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-02-20 04:23:21,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:23:21,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:23:21,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:23:21,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:23:21,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:23:21,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,190 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:23:21,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:23:21,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:23:21,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:23:21,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:23:21,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:23:21,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:23:21,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:23:21,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:23:21,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/1) ... [2022-02-20 04:23:21,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:23:21,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:21,240 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) [2022-02-20 04:23:21,266 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 [2022-02-20 04:23:21,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:23:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:23:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:23:21,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:23:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:23:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:23:21,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:23:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:23:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:23:21,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:23:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:23:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:23:21,277 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:23:21,322 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:23:21,323 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:23:21,403 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:23:21,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:23:21,413 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:23:21,414 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:23:21 BoogieIcfgContainer [2022-02-20 04:23:21,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:23:21,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:23:21,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:23:21,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:23:21,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:21" (1/2) ... [2022-02-20 04:23:21,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698e15c and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:23:21, skipping insertion in model container [2022-02-20 04:23:21,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:23:21" (2/2) ... [2022-02-20 04:23:21,441 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-02-20 04:23:21,445 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:23:21,445 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:23:21,445 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:23:21,445 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:23:21,480 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 04:23:21,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:23:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:21,512 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) [2022-02-20 04:23:21,513 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 [2022-02-20 04:23:21,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:23:21,546 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 04:23:21,546 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 04:23:21,698 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-02-20 04:23:21,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:21,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-02-20 04:23:21,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:21,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309855852] [2022-02-20 04:23:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:22,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:22,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309855852] [2022-02-20 04:23:22,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309855852] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:22,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097226125] [2022-02-20 04:23:22,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:22,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:22,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:22,063 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) [2022-02-20 04:23:22,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:23:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:22,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 04:23:22,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:23:22,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:23:22,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097226125] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:22,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:22,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-02-20 04:23:22,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325497116] [2022-02-20 04:23:22,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:22,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-20 04:23:22,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:22,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-20 04:23:22,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-02-20 04:23:22,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:22,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:22,646 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) [2022-02-20 04:23:22,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:22,997 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-02-20 04:23:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:23,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 04:23:23,211 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 [2022-02-20 04:23:23,212 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:23,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:23,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-02-20 04:23:23,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:23,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523421996] [2022-02-20 04:23:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:23,404 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:23,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523421996] [2022-02-20 04:23:23,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523421996] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:23,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028900582] [2022-02-20 04:23:23,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 04:23:23,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:23,407 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) [2022-02-20 04:23:23,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:23:23,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 04:23:23,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:23,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 04:23:23,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:23:23,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:23:23,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028900582] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:23,829 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:23,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-02-20 04:23:23,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400341448] [2022-02-20 04:23:23,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:23,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 04:23:23,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:23,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 04:23:23,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-02-20 04:23:23,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:23,831 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:23,831 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) [2022-02-20 04:23:23,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:23,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:24,174 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-02-20 04:23:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:24,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 04:23:24,383 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 [2022-02-20 04:23:24,384 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:24,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-02-20 04:23:24,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:24,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58027207] [2022-02-20 04:23:24,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:24,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:23:24,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:24,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58027207] [2022-02-20 04:23:24,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58027207] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:24,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322455744] [2022-02-20 04:23:24,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:23:24,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:24,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:24,562 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) [2022-02-20 04:23:24,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:23:24,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-20 04:23:24,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:24,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-20 04:23:24,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:24,859 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:23:24,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:23:25,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322455744] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:25,131 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:25,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-02-20 04:23:25,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910486190] [2022-02-20 04:23:25,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:25,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 04:23:25,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:25,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 04:23:25,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-02-20 04:23:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:25,134 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:25,134 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) [2022-02-20 04:23:25,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:25,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:25,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:25,608 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-02-20 04:23:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:25,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 04:23:25,825 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 [2022-02-20 04:23:25,825 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-02-20 04:23:25,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:25,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029926099] [2022-02-20 04:23:25,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:26,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:26,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029926099] [2022-02-20 04:23:26,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029926099] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:26,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522572728] [2022-02-20 04:23:26,046 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:23:26,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:26,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:26,060 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) [2022-02-20 04:23:26,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 04:23:26,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:23:26,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:26,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-20 04:23:26,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:23:26,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:23:26,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522572728] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:26,985 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:26,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-02-20 04:23:26,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947845747] [2022-02-20 04:23:26,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:26,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-20 04:23:26,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:26,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-20 04:23:26,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-02-20 04:23:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:26,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:26,988 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) [2022-02-20 04:23:26,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:26,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:26,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:26,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:27,503 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-02-20 04:23:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:23:27,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 04:23:27,704 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 [2022-02-20 04:23:27,705 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:27,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:27,705 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-02-20 04:23:27,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:27,706 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925635087] [2022-02-20 04:23:27,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:27,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:27,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:27,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925635087] [2022-02-20 04:23:27,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925635087] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:27,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361532953] [2022-02-20 04:23:27,902 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:23:27,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:27,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:27,903 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) [2022-02-20 04:23:27,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 04:23:27,963 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-20 04:23:27,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:27,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-20 04:23:27,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:28,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:29,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361532953] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:29,015 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:29,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-02-20 04:23:29,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557274157] [2022-02-20 04:23:29,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:29,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-20 04:23:29,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:29,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-20 04:23:29,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-02-20 04:23:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:29,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:29,018 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) [2022-02-20 04:23:29,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:29,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:29,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:29,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:23:29,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:29,611 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-02-20 04:23:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:23:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-20 04:23:29,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 04:23:29,827 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 [2022-02-20 04:23:29,827 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:29,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:29,828 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-02-20 04:23:29,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:29,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659478308] [2022-02-20 04:23:29,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:31,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:31,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659478308] [2022-02-20 04:23:31,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659478308] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:31,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586063961] [2022-02-20 04:23:31,594 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:23:31,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:31,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:31,603 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) [2022-02-20 04:23:31,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 04:23:31,653 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-02-20 04:23:31,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:31,655 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-02-20 04:23:31,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:33,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:33,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:33,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:33,975 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 [2022-02-20 04:23:35,462 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-02-20 04:23:35,463 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 [2022-02-20 04:23:35,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:35,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:35,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:35,531 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 [2022-02-20 04:23:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:44,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,928 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:23:47,928 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 [2022-02-20 04:23:48,134 INFO L244 Elim1Store]: Index analysis took 156 ms [2022-02-20 04:23:56,765 WARN L228 SmtUtils]: Spent 8.62s 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) [2022-02-20 04:23:56,769 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-02-20 04:23:56,769 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 [2022-02-20 04:23:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:57,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:57,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:57,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:57,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:57,441 INFO L244 Elim1Store]: Index analysis took 107 ms [2022-02-20 04:23:58,642 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:23:58,644 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... [2022-02-20 04:37:48,008 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 04:37:48,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-20 04:37:48,032 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 [2022-02-20 04:37:48,032 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 [2022-02-20 04:37:48,043 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 [2022-02-20 04:37:48,215 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 [2022-02-20 04:37:48,216 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 ∧-327-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. [2022-02-20 04:37:48,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 04:37:48,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 04:37:48,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 04:37:48,221 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 04:37:48,223 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:37:48,223 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:37:48,224 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:37:48 BasicIcfg [2022-02-20 04:37:48,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:37:48,228 INFO L158 Benchmark]: Toolchain (without parser) took 867061.08ms. Allocated memory was 204.5MB in the beginning and 865.1MB in the end (delta: 660.6MB). Free memory was 163.4MB in the beginning and 307.0MB in the end (delta: -143.7MB). Peak memory consumption was 522.2MB. Max. memory is 8.0GB. [2022-02-20 04:37:48,230 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 204.5MB. Free memory is still 164.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:37:48,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.41ms. Allocated memory is still 204.5MB. Free memory was 163.4MB in the beginning and 161.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:37:48,231 INFO L158 Benchmark]: Boogie Preprocessor took 18.83ms. Allocated memory is still 204.5MB. Free memory was 161.8MB in the beginning and 160.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:37:48,231 INFO L158 Benchmark]: RCFGBuilder took 202.20ms. Allocated memory is still 204.5MB. Free memory was 160.8MB in the beginning and 151.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 04:37:48,231 INFO L158 Benchmark]: TraceAbstraction took 866810.40ms. Allocated memory was 204.5MB in the beginning and 865.1MB in the end (delta: 660.6MB). Free memory was 151.0MB in the beginning and 307.0MB in the end (delta: -156.1MB). Peak memory consumption was 509.6MB. Max. memory is 8.0GB. [2022-02-20 04:37:48,233 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 204.5MB. Free memory is still 164.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.41ms. Allocated memory is still 204.5MB. Free memory was 163.4MB in the beginning and 161.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.83ms. Allocated memory is still 204.5MB. Free memory was 161.8MB in the beginning and 160.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 202.20ms. Allocated memory is still 204.5MB. Free memory was 160.8MB in the beginning and 151.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 866810.40ms. Allocated memory was 204.5MB in the beginning and 865.1MB in the end (delta: 660.6MB). Free memory was 151.0MB in the beginning and 307.0MB in the end (delta: -156.1MB). Peak memory consumption was 509.6MB. 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 ∧-327-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 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 ∧-327-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 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 ∧-327-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 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 ∧-327-11-3-8-3-7-3-6-3-5-3-4-3-3-3-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.4s, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 496 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 4172 SizeOfPredicates, 32 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 838/1401 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown