/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 06:18:47,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:18:47,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:18:47,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 06:18:47,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 06:18:47,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 06:18:47,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 06:18:47,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 06:18:47,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 06:18:47,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 06:18:47,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 06:18:47,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 06:18:47,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:18:47,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:18:47,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:18:47,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:18:47,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:18:47,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:18:47,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:18:47,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:18:47,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:18:47,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:18:47,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:18:47,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:18:47,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:18:47,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 06:18:47,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 06:18:47,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 06:18:47,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 06:18:47,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:18:47,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:18:47,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:18:47,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:18:47,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:18:47,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:18:47,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:18:47,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:18:47,247 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:18:47,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:18:47,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:18:47,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:18:47,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:18:47,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:18:47,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:18:47,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:18:47,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:18:47,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:18:47,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:18:47,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:18:47,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:18:47,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:18:47,251 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:18:47,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:18:47,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:18:47,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:18:47,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:18:47,484 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:18:47,485 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:18:47,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-03-04 06:18:47,486 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-03-04 06:18:47,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:18:47,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:18:47,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:18:47,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:18:47,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:18:47,524 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,531 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,543 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:18:47,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:18:47,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:18:47,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:18:47,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:18:47,555 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,556 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,558 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,558 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,564 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,567 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,568 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 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:18:47,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:18:47,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:18:47,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:18:47,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:47" (1/1) ... [2022-03-04 06:18:47,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:18:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:47,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 06:18:47,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 06:18:47,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:18:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:18:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:18:47,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:18:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:18:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:18:47,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:18:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:18:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:18:47,640 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:18:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:18:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:18:47,640 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 06:18:47,682 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:18:47,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:18:47,806 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:18:47,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:18:47,818 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:18:47,823 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:18:47 BoogieIcfgContainer [2022-03-04 06:18:47,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:18:47,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:18:47,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:18:47,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:18:47,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:18:47" (1/2) ... [2022-03-04 06:18:47,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704db091 and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:18:47, skipping insertion in model container [2022-03-04 06:18:47,834 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 04.03 06:18:47" (2/2) ... [2022-03-04 06:18:47,837 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-03-04 06:18:47,845 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:18:47,846 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:18:47,846 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:18:47,846 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:18:47,910 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 06:18:47,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:18:47,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:47,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 06:18:47,994 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:18:47,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 06:18:48,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 06:18:48,002 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 06:18:48,193 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-04 06:18:48,195 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:18:48,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:18:48,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-03-04 06:18:48,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:18:48,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246338847] [2022-03-04 06:18:48,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:18:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:48,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:18:48,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246338847] [2022-03-04 06:18:48,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246338847] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:18:48,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431098068] [2022-03-04 06:18:48,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:48,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:48,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:48,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:18:48,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 06:18:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:48,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 06:18:48,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:18:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 06:18:48,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:18:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 06:18:49,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431098068] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:18:49,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:18:49,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-04 06:18:49,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368348824] [2022-03-04 06:18:49,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:18:49,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-04 06:18:49,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:18:49,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-04 06:18:49,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-04 06:18:49,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:49,235 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:18:49,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:18:49,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:49,723 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-04 06:18:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:49,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 06:18:49,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 06:18:49,944 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:18:49,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:18:49,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-03-04 06:18:49,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:18:49,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643404451] [2022-03-04 06:18:49,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:49,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:18:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:50,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:18:50,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643404451] [2022-03-04 06:18:50,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643404451] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:18:50,173 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379975019] [2022-03-04 06:18:50,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 06:18:50,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:50,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:50,175 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:18:50,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 06:18:50,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 06:18:50,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:18:50,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-04 06:18:50,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:18:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-04 06:18:50,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:18:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-04 06:18:50,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379975019] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:18:50,672 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:18:50,672 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-04 06:18:50,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183606671] [2022-03-04 06:18:50,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:18:50,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-04 06:18:50,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:18:50,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-04 06:18:50,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-04 06:18:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:50,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:18:50,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:18:50,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:50,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:51,122 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-04 06:18:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:18:51,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 06:18:51,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:51,324 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:18:51,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:18:51,325 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-03-04 06:18:51,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:18:51,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824851363] [2022-03-04 06:18:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:18:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:18:51,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:18:51,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824851363] [2022-03-04 06:18:51,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824851363] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:18:51,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110618989] [2022-03-04 06:18:51,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:18:51,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:51,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:51,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:18:51,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:18:51,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-04 06:18:51,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:18:51,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-04 06:18:51,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:18:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:18:51,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:18:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:18:52,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110618989] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:18:52,146 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:18:52,146 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-04 06:18:52,147 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549471057] [2022-03-04 06:18:52,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:18:52,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-04 06:18:52,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:18:52,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-04 06:18:52,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-04 06:18:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:52,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:18:52,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:18:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:18:52,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:52,648 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-04 06:18:52,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:52,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:18:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:18:52,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 06:18:52,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:52,850 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:18:52,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:18:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-03-04 06:18:52,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:18:52,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706343991] [2022-03-04 06:18:52,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:52,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:18:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:53,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:18:53,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706343991] [2022-03-04 06:18:53,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706343991] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:18:53,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187870789] [2022-03-04 06:18:53,105 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:18:53,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:53,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:18:53,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:18:53,170 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:18:53,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:18:53,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 06:18:53,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:18:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:18:53,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:18:54,086 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:18:54,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187870789] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:18:54,087 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:18:54,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-04 06:18:54,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848628553] [2022-03-04 06:18:54,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:18:54,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-04 06:18:54,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:18:54,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-04 06:18:54,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-04 06:18:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:54,090 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:18:54,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:18:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:18:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:18:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:54,704 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-04 06:18:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:18:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:18:54,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:18:54,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:18:54,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:54,905 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:18:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:18:54,906 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-03-04 06:18:54,906 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:18:54,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131638648] [2022-03-04 06:18:54,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:54,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:18:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:55,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:18:55,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131638648] [2022-03-04 06:18:55,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131638648] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:18:55,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681531413] [2022-03-04 06:18:55,168 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:18:55,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:55,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:55,170 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:18:55,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:18:55,220 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-04 06:18:55,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:18:55,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-04 06:18:55,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:18:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:55,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:18:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:56,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681531413] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:18:56,452 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:18:56,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-04 06:18:56,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847348791] [2022-03-04 06:18:56,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:18:56,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-04 06:18:56,453 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:18:56,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-04 06:18:56,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-04 06:18:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:56,455 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:18:56,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:18:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:18:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:18:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:18:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:18:57,377 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-04 06:18:57,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:18:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:18:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:18:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:18:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-04 06:18:57,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:18:57,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:57,579 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:18:57,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:18:57,580 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-03-04 06:18:57,580 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:18:57,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966774057] [2022-03-04 06:18:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:18:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:18:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:18:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:18:59,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:18:59,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966774057] [2022-03-04 06:18:59,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966774057] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:18:59,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684856719] [2022-03-04 06:18:59,967 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:18:59,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:18:59,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:18:59,968 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:18:59,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 06:19:00,025 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-04 06:19:00,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:19:00,028 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-03-04 06:19:00,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:19:02,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:02,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:02,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:02,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:02,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:02,799 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 177 [2022-03-04 06:19:04,349 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-03-04 06:19:04,350 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 177 treesize of output 967 [2022-03-04 06:19:04,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:04,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:04,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:04,430 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1247 treesize of output 991 [2022-03-04 06:19:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:19:12,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:19:15,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:15,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:15,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:15,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:15,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:15,968 INFO L244 Elim1Store]: Index analysis took 124 ms [2022-03-04 06:19:16,512 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:19:16,512 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 279 treesize of output 1086 [2022-03-04 06:19:16,707 INFO L244 Elim1Store]: Index analysis took 137 ms [2022-03-04 06:19:25,454 WARN L228 SmtUtils]: Spent 8.74s on a formula simplification. DAG size of input: 1173 DAG size of output: 869 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-04 06:19:25,457 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-03-04 06:19:25,458 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 197 treesize of output 2863 [2022-03-04 06:19:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:26,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:26,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:26,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:19:26,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:19:26,182 INFO L244 Elim1Store]: Index analysis took 123 ms [2022-03-04 06:19:27,367 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:19:27,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 2820 treesize of output 2572 Received shutdown request... [2022-03-04 06:32:37,103 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:32:37,106 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:32:37,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 06:32:37,139 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:32:37,139 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:32:37,141 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:32:37,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:32:37,309 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. [2022-03-04 06:32:37,311 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:32:37,311 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:32:37,311 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:32:37,316 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:32:37,318 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:32:37,318 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:32:37,320 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:32:37 BasicIcfg [2022-03-04 06:32:37,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:32:37,320 INFO L158 Benchmark]: Toolchain (without parser) took 829808.17ms. Allocated memory was 181.4MB in the beginning and 584.1MB in the end (delta: 402.7MB). Free memory was 139.4MB in the beginning and 258.4MB in the end (delta: -119.0MB). Peak memory consumption was 353.4MB. Max. memory is 8.0GB. [2022-03-04 06:32:37,321 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 140.6MB in the beginning and 140.4MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:32:37,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.16ms. Allocated memory is still 181.4MB. Free memory was 139.3MB in the beginning and 137.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:32:37,321 INFO L158 Benchmark]: Boogie Preprocessor took 24.98ms. Allocated memory is still 181.4MB. Free memory was 137.8MB in the beginning and 136.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:32:37,322 INFO L158 Benchmark]: RCFGBuilder took 249.70ms. Allocated memory is still 181.4MB. Free memory was 136.8MB in the beginning and 127.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:32:37,322 INFO L158 Benchmark]: TraceAbstraction took 829493.60ms. Allocated memory was 181.4MB in the beginning and 584.1MB in the end (delta: 402.7MB). Free memory was 126.8MB in the beginning and 258.4MB in the end (delta: -131.6MB). Peak memory consumption was 340.8MB. Max. memory is 8.0GB. [2022-03-04 06:32:37,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 140.6MB in the beginning and 140.4MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.16ms. Allocated memory is still 181.4MB. Free memory was 139.3MB in the beginning and 137.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.98ms. Allocated memory is still 181.4MB. Free memory was 137.8MB in the beginning and 136.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 249.70ms. Allocated memory is still 181.4MB. Free memory was 136.8MB in the beginning and 127.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 829493.60ms. Allocated memory was 181.4MB in the beginning and 584.1MB in the end (delta: 402.7MB). Free memory was 126.8MB in the beginning and 258.4MB in the end (delta: -131.6MB). Peak memory consumption was 340.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 829.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.1s, 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, 4.8s 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