/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 04:23:32,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:23:32,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:23:32,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 04:23:32,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 04:23:32,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 04:23:32,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 04:23:32,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 04:23:32,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 04:23:32,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 04:23:32,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 04:23:32,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 04:23:32,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 04:23:32,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 04:23:32,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 04:23:32,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 04:23:32,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 04:23:32,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 04:23:32,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 04:23:32,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 04:23:32,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 04:23:32,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 04:23:32,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 04:23:32,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 04:23:32,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 04:23:32,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:23:32,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:23:32,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:23:32,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-20 04:23:32,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:23:32,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:23:32,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:23:32,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:23:32,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:23:32,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:23:32,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:23:32,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:23:32,690 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:23:32,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:23:32,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:23:32,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:23:32,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:23:32,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:23:32,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:23:32,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:23:32,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:23:32,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:23:32,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:23:32,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:23:32,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:23:32,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:23:32,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:23:32,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:23:32,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:23:32,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:23:32,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:23:32,693 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:23:32,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:23:32,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:23:32,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:23:32,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:23:32,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:23:32,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:23:32,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:23:32,694 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:23:32,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:23:32,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:23:32,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:23:32,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:23:32,925 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:23:32,926 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:23:32,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl [2022-02-20 04:23:32,927 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product.wvr.bpl' [2022-02-20 04:23:32,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:23:32,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:23:32,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:23:32,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:23:32,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:23:32,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:32,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:32,975 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:23:32,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:23:32,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:23:32,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:23:32,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:23:32,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:32,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:32,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:32,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:32,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:32,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:33,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:33,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:23:33,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:23:33,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:23:33,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:23:33,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/1) ... [2022-02-20 04:23:33,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:23:33,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:33,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 04:23:33,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 04:23:33,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:23:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:23:33,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:23:33,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:23:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:23:33,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:23:33,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:23:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:23:33,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:23:33,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:23:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:23:33,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:23:33,087 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:23:33,131 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:23:33,132 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:23:33,205 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:23:33,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:23:33,219 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:23:33,220 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:23:33 BoogieIcfgContainer [2022-02-20 04:23:33,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:23:33,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:23:33,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:23:33,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:23:33,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:23:32" (1/2) ... [2022-02-20 04:23:33,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e38140 and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:23:33, skipping insertion in model container [2022-02-20 04:23:33,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:23:33" (2/2) ... [2022-02-20 04:23:33,250 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2022-02-20 04:23:33,254 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:23:33,254 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:23:33,254 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:23:33,254 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:23:33,297 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 04:23:33,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:23:33,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:33,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 04:23:33,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 04:23:33,407 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:23:33,415 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 04:23:33,415 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 04:23:33,561 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-02-20 04:23:33,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:33,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:33,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1337041784, now seen corresponding path program 1 times [2022-02-20 04:23:33,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:33,575 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207505530] [2022-02-20 04:23:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:34,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:34,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207505530] [2022-02-20 04:23:34,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207505530] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:34,037 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924499115] [2022-02-20 04:23:34,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:34,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:34,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:34,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:23:34,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:23:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:34,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 04:23:34,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:23:34,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 04:23:34,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924499115] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:34,682 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:34,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-02-20 04:23:34,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862572327] [2022-02-20 04:23:34,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:34,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-20 04:23:34,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-20 04:23:34,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-02-20 04:23:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:34,711 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:34,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:23:34,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:35,197 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-02-20 04:23:35,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:35,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 04:23:35,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 04:23:35,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:35,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:35,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1356167462, now seen corresponding path program 2 times [2022-02-20 04:23:35,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:35,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548322935] [2022-02-20 04:23:35,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:35,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:35,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:35,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548322935] [2022-02-20 04:23:35,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548322935] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:35,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190984448] [2022-02-20 04:23:35,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 04:23:35,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:35,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:35,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:23:35,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:23:35,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 04:23:35,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:35,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 04:23:35,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:23:35,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-20 04:23:36,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190984448] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:36,152 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:36,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-02-20 04:23:36,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914235737] [2022-02-20 04:23:36,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:36,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 04:23:36,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 04:23:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-02-20 04:23:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:36,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:36,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:23:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:36,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:36,594 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-02-20 04:23:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:36,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 04:23:36,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:36,796 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:36,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:36,796 INFO L85 PathProgramCache]: Analyzing trace with hash -335026620, now seen corresponding path program 3 times [2022-02-20 04:23:36,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:36,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208733505] [2022-02-20 04:23:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:36,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:23:36,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:36,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208733505] [2022-02-20 04:23:36,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208733505] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:36,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750067421] [2022-02-20 04:23:36,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:23:36,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:36,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:23:36,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:23:36,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-20 04:23:36,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:36,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-20 04:23:36,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:23:37,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:23:37,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750067421] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:37,587 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:37,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-02-20 04:23:37,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816733273] [2022-02-20 04:23:37,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:37,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 04:23:37,588 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:37,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 04:23:37,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-02-20 04:23:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:37,589 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:37,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:23:37,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:37,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:37,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:38,084 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-02-20 04:23:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:38,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 04:23:38,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:38,292 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:38,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:38,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1612042398, now seen corresponding path program 4 times [2022-02-20 04:23:38,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:38,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164879843] [2022-02-20 04:23:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:38,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:38,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:38,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164879843] [2022-02-20 04:23:38,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164879843] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:38,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320264538] [2022-02-20 04:23:38,543 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:23:38,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:38,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:38,544 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:23:38,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 04:23:38,590 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:23:38,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:38,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-20 04:23:38,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:23:39,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 04:23:39,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320264538] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:39,505 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:39,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-02-20 04:23:39,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741280981] [2022-02-20 04:23:39,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:39,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-20 04:23:39,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:39,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-20 04:23:39,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-02-20 04:23:39,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:39,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:39,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:23:39,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:40,135 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-02-20 04:23:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:23:40,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-20 04:23:40,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:40,336 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:40,337 INFO L85 PathProgramCache]: Analyzing trace with hash 747651004, now seen corresponding path program 5 times [2022-02-20 04:23:40,337 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:40,337 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621607965] [2022-02-20 04:23:40,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:40,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:40,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:40,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621607965] [2022-02-20 04:23:40,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621607965] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:40,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039815340] [2022-02-20 04:23:40,589 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:23:40,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:40,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:40,592 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:23:40,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 04:23:40,633 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-20 04:23:40,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:40,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-20 04:23:40,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:41,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:23:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:41,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039815340] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:23:41,861 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:23:41,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-02-20 04:23:41,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261394547] [2022-02-20 04:23:41,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:23:41,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-20 04:23:41,862 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:23:41,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-20 04:23:41,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-02-20 04:23:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:41,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:23:41,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:23:41,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:41,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:41,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:41,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:23:41,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:23:42,745 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-02-20 04:23:42,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 04:23:42,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:23:42,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 04:23:42,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-20 04:23:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-20 04:23:42,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 04:23:42,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:42,947 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:23:42,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:23:42,948 INFO L85 PathProgramCache]: Analyzing trace with hash -249352170, now seen corresponding path program 6 times [2022-02-20 04:23:42,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:23:42,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381985362] [2022-02-20 04:23:42,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:23:42,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:23:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:23:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:45,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:23:45,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381985362] [2022-02-20 04:23:45,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381985362] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:23:45,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624683242] [2022-02-20 04:23:45,163 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:23:45,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:23:45,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:23:45,168 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:23:45,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 04:23:45,230 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-02-20 04:23:45,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:23:45,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2022-02-20 04:23:45,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:23:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:47,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:47,853 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 177 [2022-02-20 04:23:49,417 INFO L353 Elim1Store]: treesize reduction 820, result has 53.1 percent of original size [2022-02-20 04:23:49,418 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 177 treesize of output 967 [2022-02-20 04:23:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:49,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:49,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:23:49,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:23:49,495 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1247 treesize of output 991 [2022-02-20 04:23:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:23:57,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:24:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:00,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:00,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:00,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:00,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:00,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:01,099 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:24:01,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 279 treesize of output 1086 [2022-02-20 04:24:01,290 INFO L244 Elim1Store]: Index analysis took 138 ms [2022-02-20 04:24:09,933 WARN L228 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 1173 DAG size of output: 869 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-20 04:24:09,937 INFO L353 Elim1Store]: treesize reduction 1416, result has 66.7 percent of original size [2022-02-20 04:24:09,938 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 197 treesize of output 2863 [2022-02-20 04:24:10,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:10,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:10,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:10,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:24:10,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:24:10,649 INFO L244 Elim1Store]: Index analysis took 131 ms [2022-02-20 04:24:11,832 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:24:11,834 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 76 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 105 case distinctions, treesize of input 2820 treesize of output 2572 Received shutdown request... [2022-02-20 04:37:26,176 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:37:26,178 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:37:26,179 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:37:26,185 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-20 04:37:26,187 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 04:37:26,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-20 04:37:26,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:37:26,400 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 19ms.. [2022-02-20 04:37:26,401 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 04:37:26,401 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 04:37:26,402 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 04:37:26,407 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 04:37:26,409 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:37:26,409 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:37:26,415 INFO L202 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:37:26 BasicIcfg [2022-02-20 04:37:26,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:37:26,416 INFO L158 Benchmark]: Toolchain (without parser) took 833468.79ms. Allocated memory was 184.5MB in the beginning and 647.0MB in the end (delta: 462.4MB). Free memory was 142.7MB in the beginning and 482.2MB in the end (delta: -339.5MB). Peak memory consumption was 394.4MB. Max. memory is 8.0GB. [2022-02-20 04:37:26,416 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:37:26,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.43ms. Allocated memory is still 184.5MB. Free memory was 142.7MB in the beginning and 141.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-20 04:37:26,418 INFO L158 Benchmark]: Boogie Preprocessor took 25.68ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 140.2MB in the end (delta: 902.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:37:26,418 INFO L158 Benchmark]: RCFGBuilder took 215.74ms. Allocated memory is still 184.5MB. Free memory was 140.1MB in the beginning and 130.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 04:37:26,419 INFO L158 Benchmark]: TraceAbstraction took 833193.23ms. Allocated memory was 184.5MB in the beginning and 647.0MB in the end (delta: 462.4MB). Free memory was 130.3MB in the beginning and 482.2MB in the end (delta: -352.0MB). Peak memory consumption was 380.8MB. Max. memory is 8.0GB. [2022-02-20 04:37:26,421 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 0.10ms. Allocated memory is still 184.5MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.43ms. Allocated memory is still 184.5MB. Free memory was 142.7MB in the beginning and 141.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.68ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 140.2MB in the end (delta: 902.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 215.74ms. Allocated memory is still 184.5MB. Free memory was 140.1MB in the beginning and 130.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 833193.23ms. Allocated memory was 184.5MB in the beginning and 647.0MB in the end (delta: 462.4MB). Free memory was 130.3MB in the beginning and 482.2MB in the end (delta: -352.0MB). Peak memory consumption was 380.8MB. 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 19ms.. - 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 19ms.. - 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 19ms.. - 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 19ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 833.0s, 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, 4.9s InterpolantComputationTime, 496 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 4172 SizeOfPredicates, 32 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 838/1401 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown