/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 11:29:06,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 11:29:06,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 11:29:06,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 11:29:06,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 11:29:06,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 11:29:06,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 11:29:06,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 11:29:06,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 11:29:06,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 11:29:06,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 11:29:06,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 11:29:06,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 11:29:06,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 11:29:06,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 11:29:06,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 11:29:06,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 11:29:06,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 11:29:06,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 11:29:06,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 11:29:06,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 11:29:06,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 11:29:06,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 11:29:06,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 11:29:06,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 11:29:06,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 11:29:06,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 11:29:06,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 11:29:06,844 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 11:29:06,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 11:29:06,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 11:29:06,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 11:29:06,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 11:29:06,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 11:29:06,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 11:29:06,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 11:29:06,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 11:29:06,871 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 11:29:06,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:29:06,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 11:29:06,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 11:29:06,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 11:29:07,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 11:29:07,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 11:29:07,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 11:29:07,075 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 11:29:07,076 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 11:29:07,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl [2022-03-04 11:29:07,077 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl' [2022-03-04 11:29:07,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 11:29:07,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 11:29:07,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 11:29:07,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 11:29:07,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 11:29:07,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,122 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 11:29:07,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 11:29:07,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 11:29:07,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 11:29:07,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 11:29:07,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 11:29:07,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 11:29:07,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 11:29:07,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 11:29:07,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/1) ... [2022-03-04 11:29:07,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:29:07,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:29:07,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 11:29:07,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 11:29:07,189 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 11:29:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 11:29:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 11:29:07,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 11:29:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 11:29:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 11:29:07,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 11:29:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 11:29:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 11:29:07,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 11:29:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 11:29:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 11:29:07,192 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 11:29:07,229 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 11:29:07,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 11:29:07,355 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 11:29:07,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 11:29:07,369 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 11:29:07,370 INFO L202 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:29:07 BoogieIcfgContainer [2022-03-04 11:29:07,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 11:29:07,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 11:29:07,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 11:29:07,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 11:29:07,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:29:07" (1/2) ... [2022-03-04 11:29:07,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758eedea and model type queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:29:07, skipping insertion in model container [2022-03-04 11:29:07,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:29:07" (2/2) ... [2022-03-04 11:29:07,391 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-3.wvr.bpl [2022-03-04 11:29:07,394 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 11:29:07,394 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 11:29:07,394 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 11:29:07,394 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 11:29:07,432 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 11:29:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 11:29:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:29:07,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 11:29:07,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 11:29:07,511 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 11:29:07,521 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 [2022-03-04 11:29:07,521 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 11:29:08,305 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1495 transitions and produced 1394 states. [2022-03-04 11:29:08,308 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:29:08,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:29:08,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1129976050, now seen corresponding path program 1 times [2022-03-04 11:29:08,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:29:08,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851861629] [2022-03-04 11:29:08,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:29:08,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:29:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:29:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 22808 backedges. 8529 proven. 11708 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-03-04 11:29:09,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:29:09,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851861629] [2022-03-04 11:29:09,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851861629] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:29:09,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581079076] [2022-03-04 11:29:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:29:09,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:29:09,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:29:09,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:29:09,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 11:29:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:29:09,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-04 11:29:09,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:29:11,156 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-03-04 11:29:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 22808 backedges. 1316 proven. 17224 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2022-03-04 11:29:11,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:29:11,831 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:29:11,831 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-04 11:29:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 22808 backedges. 2192 proven. 16348 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2022-03-04 11:29:12,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581079076] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:29:12,187 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:29:12,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 13] total 33 [2022-03-04 11:29:12,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933092117] [2022-03-04 11:29:12,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:29:12,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-03-04 11:29:12,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:29:12,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-03-04 11:29:12,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1053, Unknown=0, NotChecked=0, Total=1122 [2022-03-04 11:29:12,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:29:12,211 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:29:12,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:29:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:29:13,940 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2009 transitions and produced 1846 states. [2022-03-04 11:29:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:29:13,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 11:29:14,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 11:29:14,165 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:29:14,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:29:14,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1762590072, now seen corresponding path program 2 times [2022-03-04 11:29:14,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:29:14,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808538462] [2022-03-04 11:29:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:29:14,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:29:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:29:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 44807 backedges. 17904 proven. 21812 refuted. 0 times theorem prover too weak. 5091 trivial. 0 not checked. [2022-03-04 11:29:15,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:29:15,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808538462] [2022-03-04 11:29:15,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808538462] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:29:15,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551446907] [2022-03-04 11:29:15,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:29:15,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:29:15,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:29:15,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:29:15,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 11:29:15,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:29:15,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:29:15,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 370 conjunts are in the unsatisfiable core [2022-03-04 11:29:15,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:29:23,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 11:29:23,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-04 11:29:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 44807 backedges. 17904 proven. 23240 refuted. 0 times theorem prover too weak. 3663 trivial. 0 not checked. [2022-03-04 11:29:23,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:29:24,442 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:29:24,443 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-04 11:29:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 44807 backedges. 17904 proven. 21812 refuted. 0 times theorem prover too weak. 5091 trivial. 0 not checked. [2022-03-04 11:29:24,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551446907] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:29:24,575 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:29:24,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 130, 25] total 153 [2022-03-04 11:29:24,575 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655106315] [2022-03-04 11:29:24,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:29:24,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2022-03-04 11:29:24,579 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:29:24,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2022-03-04 11:29:24,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=23013, Unknown=0, NotChecked=0, Total=23562 [2022-03-04 11:29:24,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:29:24,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:29:24,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 4.012987012987013) internal successors, (618), 153 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:29:24,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:29:24,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:29:40,140 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3365 transitions and produced 3173 states. [2022-03-04 11:29:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:29:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:29:40,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 11:29:40,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:29:40,360 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:29:40,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:29:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash -59386045, now seen corresponding path program 3 times [2022-03-04 11:29:40,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:29:40,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705525390] [2022-03-04 11:29:40,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:29:40,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:29:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:29:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 136451 backedges. 36480 proven. 79739 refuted. 0 times theorem prover too weak. 20232 trivial. 0 not checked. [2022-03-04 11:29:42,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:29:42,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705525390] [2022-03-04 11:29:42,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705525390] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:29:42,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815768502] [2022-03-04 11:29:42,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:29:42,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:29:42,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:29:42,045 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:29:42,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 11:29:43,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 280 check-sat command(s) [2022-03-04 11:29:43,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:29:43,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 2276 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-04 11:29:43,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:29:46,019 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-04 11:29:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 136451 backedges. 0 proven. 112525 refuted. 0 times theorem prover too weak. 23926 trivial. 0 not checked. [2022-03-04 11:29:46,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:29:46,947 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:29:46,948 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-04 11:29:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 136451 backedges. 729 proven. 111796 refuted. 0 times theorem prover too weak. 23926 trivial. 0 not checked. [2022-03-04 11:29:48,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815768502] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:29:48,424 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:29:48,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 27] total 59 [2022-03-04 11:29:48,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026052241] [2022-03-04 11:29:48,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:29:48,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-03-04 11:29:48,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:29:48,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-03-04 11:29:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3419, Unknown=0, NotChecked=0, Total=3540 [2022-03-04 11:29:48,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:29:48,427 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:29:48,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.266666666666667) internal successors, (376), 59 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:29:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:29:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:29:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:29:53,124 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4228 transitions and produced 3937 states. [2022-03-04 11:29:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:29:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:29:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:29:53,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 11:29:53,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:29:53,342 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:29:53,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:29:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1984554930, now seen corresponding path program 4 times [2022-03-04 11:29:53,343 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:29:53,343 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186709058] [2022-03-04 11:29:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:29:53,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:29:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:29:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 225787 backedges. 33654 proven. 165921 refuted. 0 times theorem prover too weak. 26212 trivial. 0 not checked. [2022-03-04 11:29:54,424 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:29:54,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186709058] [2022-03-04 11:29:54,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186709058] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:29:54,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443860389] [2022-03-04 11:29:54,424 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 11:29:54,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:29:54,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:29:54,426 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:29:54,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 11:29:54,965 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 11:29:54,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:29:55,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 36 conjunts are in the unsatisfiable core [2022-03-04 11:29:55,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:29:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 225787 backedges. 33654 proven. 165921 refuted. 0 times theorem prover too weak. 26212 trivial. 0 not checked. [2022-03-04 11:29:57,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:29:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 225787 backedges. 33654 proven. 165921 refuted. 0 times theorem prover too weak. 26212 trivial. 0 not checked. [2022-03-04 11:29:59,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443860389] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:29:59,238 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:29:59,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 20 [2022-03-04 11:29:59,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449703210] [2022-03-04 11:29:59,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:29:59,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-04 11:29:59,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:29:59,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-04 11:29:59,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-03-04 11:29:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:29:59,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:29:59,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.666666666666666) internal successors, (245), 20 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:29:59,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:29:59,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:29:59,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:29:59,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:30:00,222 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4922 transitions and produced 4599 states. [2022-03-04 11:30:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:30:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:30:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:30:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:30:00,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 11:30:00,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:30:00,445 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:30:00,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:30:00,446 INFO L85 PathProgramCache]: Analyzing trace with hash 906821316, now seen corresponding path program 5 times [2022-03-04 11:30:00,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:30:00,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081161637] [2022-03-04 11:30:00,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:30:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:30:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:30:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 288042 backedges. 102612 proven. 153871 refuted. 0 times theorem prover too weak. 31559 trivial. 0 not checked. [2022-03-04 11:30:03,469 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:30:03,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081161637] [2022-03-04 11:30:03,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081161637] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:30:03,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132179319] [2022-03-04 11:30:03,469 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 11:30:03,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:30:03,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:30:03,471 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:30:03,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 11:30:06,425 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 408 check-sat command(s) [2022-03-04 11:30:06,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:30:06,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 3558 conjuncts, 78 conjunts are in the unsatisfiable core [2022-03-04 11:30:06,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:30:09,482 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-04 11:30:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 288042 backedges. 0 proven. 261233 refuted. 0 times theorem prover too weak. 26809 trivial. 0 not checked. [2022-03-04 11:30:09,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:30:10,432 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:30:10,432 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-04 11:30:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 288042 backedges. 912 proven. 260321 refuted. 0 times theorem prover too weak. 26809 trivial. 0 not checked. [2022-03-04 11:30:12,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132179319] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:30:12,221 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:30:12,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 41, 41] total 89 [2022-03-04 11:30:12,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357547307] [2022-03-04 11:30:12,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:30:12,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-03-04 11:30:12,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:30:12,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-03-04 11:30:12,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=7829, Unknown=0, NotChecked=0, Total=8010 [2022-03-04 11:30:12,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:30:12,226 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:30:12,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.322222222222222) internal successors, (569), 89 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:30:12,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:30:12,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:30:12,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:30:12,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:30:12,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:30:22,269 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5701 transitions and produced 5272 states. [2022-03-04 11:30:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:30:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:30:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:30:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:30:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:30:22,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 11:30:22,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:30:22,493 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:30:22,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:30:22,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1662506535, now seen corresponding path program 6 times [2022-03-04 11:30:22,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:30:22,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417367353] [2022-03-04 11:30:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:30:22,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:30:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:30:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 412782 backedges. 174400 proven. 183986 refuted. 0 times theorem prover too weak. 54396 trivial. 0 not checked. [2022-03-04 11:30:26,111 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:30:26,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417367353] [2022-03-04 11:30:26,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417367353] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:30:26,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655111246] [2022-03-04 11:30:26,111 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 11:30:26,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:30:26,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:30:26,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:30:26,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 11:30:30,235 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 448 check-sat command(s) [2022-03-04 11:30:30,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:30:30,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 4140 conjuncts, 104 conjunts are in the unsatisfiable core [2022-03-04 11:30:30,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:30:32,524 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-04 11:30:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 412782 backedges. 174400 proven. 183986 refuted. 0 times theorem prover too weak. 54396 trivial. 0 not checked. [2022-03-04 11:30:33,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:30:35,869 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:30:35,870 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-04 11:30:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 412782 backedges. 174400 proven. 183986 refuted. 0 times theorem prover too weak. 54396 trivial. 0 not checked. [2022-03-04 11:30:36,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655111246] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:30:36,178 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:30:36,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 79 [2022-03-04 11:30:36,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95877683] [2022-03-04 11:30:36,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:30:36,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-04 11:30:36,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:30:36,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-04 11:30:36,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=6137, Unknown=0, NotChecked=0, Total=6320 [2022-03-04 11:30:36,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:30:36,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:30:36,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.4375) internal successors, (515), 79 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:30:36,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:30:36,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:30:36,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:30:36,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:30:36,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:30:36,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:30:40,205 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6067 transitions and produced 5609 states. [2022-03-04 11:30:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:30:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:30:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:30:40,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:30:40,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:30:40,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:30:40,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 11:30:40,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:30:40,423 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:30:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:30:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash 119947225, now seen corresponding path program 7 times [2022-03-04 11:30:40,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:30:40,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5817436] [2022-03-04 11:30:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:30:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:30:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:30:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 461580 backedges. 188800 proven. 218759 refuted. 0 times theorem prover too weak. 54021 trivial. 0 not checked. [2022-03-04 11:30:44,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:30:44,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5817436] [2022-03-04 11:30:44,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5817436] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:30:44,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952842831] [2022-03-04 11:30:44,507 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 11:30:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:30:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:30:44,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:30:44,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 11:30:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:30:46,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 4511 conjuncts, 106 conjunts are in the unsatisfiable core [2022-03-04 11:30:46,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:30:51,623 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-04 11:30:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 461580 backedges. 0 proven. 434588 refuted. 0 times theorem prover too weak. 26992 trivial. 0 not checked. [2022-03-04 11:30:51,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:30:52,962 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:30:52,963 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-04 11:30:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 461580 backedges. 729 proven. 433859 refuted. 0 times theorem prover too weak. 26992 trivial. 0 not checked. [2022-03-04 11:30:55,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952842831] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:30:55,133 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:30:55,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 55, 55] total 115 [2022-03-04 11:30:55,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170303142] [2022-03-04 11:30:55,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:30:55,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2022-03-04 11:30:55,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:30:55,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2022-03-04 11:30:55,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=13107, Unknown=0, NotChecked=0, Total=13340 [2022-03-04 11:30:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:30:55,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:30:55,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 6.379310344827586) internal successors, (740), 115 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:30:55,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:30:55,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:30:55,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:30:55,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:30:55,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:30:55,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:30:55,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:31:13,339 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6930 transitions and produced 6373 states. [2022-03-04 11:31:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:31:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:31:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:31:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:31:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:31:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:31:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:31:13,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 11:31:13,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-04 11:31:13,555 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:31:13,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:31:13,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1734260196, now seen corresponding path program 8 times [2022-03-04 11:31:13,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:31:13,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26768247] [2022-03-04 11:31:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:31:13,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:31:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:31:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 616534 backedges. 152304 proven. 431592 refuted. 0 times theorem prover too weak. 32638 trivial. 0 not checked. [2022-03-04 11:31:16,037 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:31:16,037 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26768247] [2022-03-04 11:31:16,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26768247] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:31:16,037 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060276778] [2022-03-04 11:31:16,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:31:16,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:31:16,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:31:16,039 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:31:16,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 11:31:17,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:31:17,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:31:18,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 5215 conjuncts, 64 conjunts are in the unsatisfiable core [2022-03-04 11:31:18,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:31:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 616534 backedges. 152304 proven. 431592 refuted. 0 times theorem prover too weak. 32638 trivial. 0 not checked. [2022-03-04 11:31:20,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:31:24,433 INFO L134 CoverageAnalysis]: Checked inductivity of 616534 backedges. 152304 proven. 431592 refuted. 0 times theorem prover too weak. 32638 trivial. 0 not checked. [2022-03-04 11:31:24,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060276778] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:31:24,434 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:31:24,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 34 [2022-03-04 11:31:24,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859047997] [2022-03-04 11:31:24,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:31:24,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-04 11:31:24,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:31:24,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-04 11:31:24,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2022-03-04 11:31:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:31:24,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:31:24,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 11.8) internal successors, (413), 34 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:31:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:31:26,047 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7624 transitions and produced 7035 states. [2022-03-04 11:31:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:31:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:31:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:31:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:31:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:31:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:31:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:31:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:31:26,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 11:31:26,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:31:26,261 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:31:26,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:31:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1237788250, now seen corresponding path program 9 times [2022-03-04 11:31:26,261 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:31:26,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627440274] [2022-03-04 11:31:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:31:26,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:31:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:31:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 716939 backedges. 305164 proven. 327555 refuted. 0 times theorem prover too weak. 84220 trivial. 0 not checked. [2022-03-04 11:31:33,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:31:33,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627440274] [2022-03-04 11:31:33,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627440274] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:31:33,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488929384] [2022-03-04 11:31:33,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:31:33,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:31:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:31:33,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:31:33,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 11:31:42,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 579 check-sat command(s) [2022-03-04 11:31:42,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:31:42,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 5596 conjuncts, 134 conjunts are in the unsatisfiable core [2022-03-04 11:31:42,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:31:50,425 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-04 11:31:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 716939 backedges. 0 proven. 687064 refuted. 0 times theorem prover too weak. 29875 trivial. 0 not checked. [2022-03-04 11:31:50,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:31:52,855 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:31:52,855 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-04 11:31:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 716939 backedges. 912 proven. 686152 refuted. 0 times theorem prover too weak. 29875 trivial. 0 not checked. [2022-03-04 11:31:55,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488929384] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:31:55,865 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:31:55,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 69, 69] total 145 [2022-03-04 11:31:55,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105216823] [2022-03-04 11:31:55,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:31:55,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2022-03-04 11:31:55,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:31:55,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2022-03-04 11:31:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=20877, Unknown=0, NotChecked=0, Total=21170 [2022-03-04 11:31:55,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:31:55,871 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:31:55,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 6.390410958904109) internal successors, (933), 145 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:31:55,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:31:55,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:32:28,366 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8403 transitions and produced 7708 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:32:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:32:28,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-03-04 11:32:28,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-04 11:32:28,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-04 11:32:28,584 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:32:28,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:32:28,584 INFO L85 PathProgramCache]: Analyzing trace with hash -606274449, now seen corresponding path program 10 times [2022-03-04 11:32:28,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:32:28,585 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150912770] [2022-03-04 11:32:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:32:28,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:32:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:32:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 907297 backedges. 410720 proven. 369514 refuted. 0 times theorem prover too weak. 127063 trivial. 0 not checked. [2022-03-04 11:32:38,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:32:38,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150912770] [2022-03-04 11:32:38,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150912770] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:32:38,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734713609] [2022-03-04 11:32:38,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 11:32:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:32:38,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:32:38,351 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:32:38,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 11:32:40,911 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 11:32:40,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:32:41,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 6334 conjuncts, 1634 conjunts are in the unsatisfiable core [2022-03-04 11:32:41,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:34:06,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 11:34:06,287 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-04 11:34:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 907297 backedges. 410720 proven. 382958 refuted. 0 times theorem prover too weak. 113619 trivial. 0 not checked. [2022-03-04 11:34:07,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:34:17,381 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:34:17,381 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-04 11:34:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 907297 backedges. 410720 proven. 369514 refuted. 0 times theorem prover too weak. 127063 trivial. 0 not checked. [2022-03-04 11:34:17,992 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734713609] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:34:17,992 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:34:17,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 537, 81] total 616 [2022-03-04 11:34:17,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699083544] [2022-03-04 11:34:17,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:34:17,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 617 states [2022-03-04 11:34:17,997 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:34:17,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 617 interpolants. [2022-03-04 11:34:18,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2261, Invalid=377811, Unknown=0, NotChecked=0, Total=380072 [2022-03-04 11:34:18,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:34:18,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:34:18,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 617 states, 617 states have (on average 3.8038897893030796) internal successors, (2347), 616 states have internal predecessors, (2347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-03-04 11:34:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:41:10,860 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12279 transitions and produced 11555 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-03-04 11:41:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 502 states. [2022-03-04 11:41:10,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-04 11:41:11,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-04 11:41:11,080 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:41:11,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:41:11,081 INFO L85 PathProgramCache]: Analyzing trace with hash 2137817146, now seen corresponding path program 11 times [2022-03-04 11:41:11,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:41:11,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210773347] [2022-03-04 11:41:11,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:41:11,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:41:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:41:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2011276 backedges. 721616 proven. 903106 refuted. 0 times theorem prover too weak. 386554 trivial. 0 not checked. [2022-03-04 11:41:31,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:41:31,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210773347] [2022-03-04 11:41:31,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210773347] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:41:31,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68984505] [2022-03-04 11:41:31,535 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 11:41:31,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:41:31,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:41:31,541 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:41:31,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-04 11:41:54,502 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1157 check-sat command(s) [2022-03-04 11:41:54,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:41:56,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 9040 conjuncts, 164 conjunts are in the unsatisfiable core [2022-03-04 11:41:56,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:42:04,450 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-03-04 11:42:09,545 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-04 11:42:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2011276 backedges. 0 proven. 1675497 refuted. 0 times theorem prover too weak. 335779 trivial. 0 not checked. [2022-03-04 11:42:09,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:42:12,254 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 11:42:12,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-04 11:42:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2011276 backedges. 729 proven. 1674816 refuted. 0 times theorem prover too weak. 335731 trivial. 0 not checked. [2022-03-04 11:42:18,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68984505] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:42:18,639 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:42:18,640 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 83, 84] total 172 [2022-03-04 11:42:18,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320674503] [2022-03-04 11:42:18,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:42:18,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2022-03-04 11:42:18,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:42:18,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2022-03-04 11:42:18,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=29408, Unknown=0, NotChecked=0, Total=29756 [2022-03-04 11:42:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:42:18,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:42:18,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 6.404624277456647) internal successors, (1108), 172 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 502 states. [2022-03-04 11:42:18,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:43:03,624 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13142 transitions and produced 12319 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-03-04 11:43:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 502 states. [2022-03-04 11:43:03,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-03-04 11:43:03,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-03-04 11:43:03,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-04 11:43:03,839 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:43:03,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:43:03,840 INFO L85 PathProgramCache]: Analyzing trace with hash 903880079, now seen corresponding path program 12 times [2022-03-04 11:43:03,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:43:03,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132356899] [2022-03-04 11:43:03,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:43:03,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:43:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:43:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2322406 backedges. 356410 proven. 1621211 refuted. 0 times theorem prover too weak. 344785 trivial. 0 not checked. [2022-03-04 11:43:12,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:43:12,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132356899] [2022-03-04 11:43:12,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132356899] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:43:12,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520375919] [2022-03-04 11:43:12,773 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 11:43:12,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:43:12,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:43:12,774 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:43:12,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process Received shutdown request... [2022-03-04 11:43:22,692 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 11:43:22,692 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 11:43:22,702 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 11:43:23,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 11:43:23,736 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-04 11:43:23,737 INFO L191 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-03-04 11:43:23,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2022-03-04 11:43:23,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965707616] [2022-03-04 11:43:23,737 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-03-04 11:43:23,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-04 11:43:23,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:43:23,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-04 11:43:23,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-03-04 11:43:23,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:43:23,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:43:23,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 11.591836734693878) internal successors, (568), 48 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 502 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-03-04 11:43:23,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:43:23,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2022-03-04 11:43:23,903 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forcibly destroying the process [2022-03-04 11:43:23,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 137 [2022-03-04 11:43:23,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-04 11:43:23,911 WARN L594 AbstractCegarLoop]: Verification canceled: while executing Executor. [2022-03-04 11:43:23,914 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 11:43:23,914 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 11:43:23,914 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 11:43:23,914 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 11:43:23,918 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-03-04 11:43:23,926 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 11:43:23,926 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 11:43:23,928 INFO L202 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 11:43:23 BasicIcfg [2022-03-04 11:43:23,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 11:43:23,928 INFO L158 Benchmark]: Toolchain (without parser) took 856824.46ms. Allocated memory was 224.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 188.7MB in the beginning and 925.2MB in the end (delta: -736.5MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-03-04 11:43:23,929 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 224.4MB. Free memory is still 189.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 11:43:23,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.73ms. Allocated memory is still 224.4MB. Free memory was 188.6MB in the beginning and 187.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 11:43:23,929 INFO L158 Benchmark]: Boogie Preprocessor took 10.49ms. Allocated memory is still 224.4MB. Free memory was 187.1MB in the beginning and 186.1MB in the end (delta: 973.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 11:43:23,929 INFO L158 Benchmark]: RCFGBuilder took 236.29ms. Allocated memory is still 224.4MB. Free memory was 186.0MB in the beginning and 175.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 11:43:23,929 INFO L158 Benchmark]: TraceAbstraction took 856545.76ms. Allocated memory was 224.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 175.4MB in the beginning and 925.2MB in the end (delta: -749.8MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-03-04 11:43:23,930 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 224.4MB. Free memory is still 189.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.73ms. Allocated memory is still 224.4MB. Free memory was 188.6MB in the beginning and 187.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.49ms. Allocated memory is still 224.4MB. Free memory was 187.1MB in the beginning and 186.1MB in the end (delta: 973.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 236.29ms. Allocated memory is still 224.4MB. Free memory was 186.0MB in the beginning and 175.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 856545.76ms. Allocated memory was 224.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 175.4MB in the beginning and 925.2MB in the end (delta: -749.8MB). Peak memory consumption was 1.3GB. 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: 88]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing Executor. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 63 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 856.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 547.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1348, 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: 1.0s SsaConstructionTime, 85.4s SatisfiabilityAnalysisTime, 207.4s InterpolantComputationTime, 43910 NumberOfCodeBlocks, 43773 NumberOfCodeBlocksAsserted, 2892 NumberOfCheckSat, 63753 ConstructedInterpolants, 0 QuantifiedInterpolants, 368343 SizeOfPredicates, 48 NumberOfNonLiveVariables, 46362 ConjunctsInSsa, 2764 ConjunctsInUnsatCore, 34 InterpolantComputations, 0 PerfectInterpolantSequences, 6634596/19855315 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