/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 07:44:32,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 07:44:32,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 07:44:32,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-29 07:44:32,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf [2022-01-29 07:44:32,348 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 07:44:32,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 07:44:32,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 07:44:32,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 07:44:32,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 07:44:32,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 07:44:32,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 07:44:32,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 07:44:32,350 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 07:44:32,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 07:44:32,351 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 07:44:32,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 07:44:32,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 07:44:32,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 07:44:32,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 07:44:32,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 07:44:32,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 07:44:32,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 07:44:32,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 07:44:32,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 07:44:32,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 07:44:32,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 07:44:32,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 07:44:32,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 07:44:32,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 07:44:32,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 07:44:32,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 07:44:32,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 07:44:32,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 07:44:32,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 07:44:32,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 07:44:32,354 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 07:44:32,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 07:44:32,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 07:44:32,355 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-01-29 07:44:32,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 07:44:32,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 07:44:32,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 07:44:32,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 07:44:32,584 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 07:44:32,585 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 07:44:32,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl [2022-01-29 07:44:32,586 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl' [2022-01-29 07:44:32,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 07:44:32,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 07:44:32,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 07:44:32,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 07:44:32,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 07:44:32,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,642 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 07:44:32,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 07:44:32,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 07:44:32,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 07:44:32,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 07:44:32,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 07:44:32,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 07:44:32,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 07:44:32,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 07:44:32,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/1) ... [2022-01-29 07:44:32,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 07:44:32,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:32,692 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) [2022-01-29 07:44:32,695 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 [2022-01-29 07:44:32,716 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-29 07:44:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 07:44:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 07:44:32,716 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-29 07:44:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 07:44:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 07:44:32,717 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 07:44:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 07:44:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 07:44:32,717 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 07:44:32,759 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 07:44:32,761 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 07:44:32,817 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 07:44:32,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 07:44:32,829 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 07:44:32,831 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 07:44:32 BoogieIcfgContainer [2022-01-29 07:44:32,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 07:44:32,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 07:44:32,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 07:44:32,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 07:44:32,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:44:32" (1/2) ... [2022-01-29 07:44:32,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f893db and model type figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 07:44:32, skipping insertion in model container [2022-01-29 07:44:32,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 07:44:32" (2/2) ... [2022-01-29 07:44:32,837 INFO L111 eAbstractionObserver]: Analyzing ICFG figure3.wvr.bpl [2022-01-29 07:44:32,841 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 07:44:32,841 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 07:44:32,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 07:44:32,841 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 07:44:32,864 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-29 07:44:32,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 07:44:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:32,903 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) [2022-01-29 07:44:32,904 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 [2022-01-29 07:44:32,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 07:44:32,933 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, 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 [2022-01-29 07:44:32,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-29 07:44:32,999 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:33,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:33,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1113268317, now seen corresponding path program 1 times [2022-01-29 07:44:33,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:33,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834746804] [2022-01-29 07:44:33,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:33,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-29 07:44:33,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:33,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834746804] [2022-01-29 07:44:33,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834746804] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 07:44:33,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 07:44:33,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 07:44:33,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310624145] [2022-01-29 07:44:33,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 07:44:33,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 07:44:33,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:33,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 07:44:33,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 07:44:33,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:33,165 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:33,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-01-29 07:44:33,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:33,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:33,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 07:44:33,205 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:33,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:33,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1847142309, now seen corresponding path program 2 times [2022-01-29 07:44:33,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:33,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381425611] [2022-01-29 07:44:33,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:33,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:33,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:33,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381425611] [2022-01-29 07:44:33,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381425611] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:33,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409665515] [2022-01-29 07:44:33,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 07:44:33,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:33,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:33,539 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) [2022-01-29 07:44:33,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 07:44:33,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 07:44:33,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:33,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-29 07:44:33,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:34,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 5 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:34,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409665515] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:34,403 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:34,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 14] total 34 [2022-01-29 07:44:34,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072484772] [2022-01-29 07:44:34,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:34,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-29 07:44:34,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:34,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-29 07:44:34,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=926, Unknown=0, NotChecked=0, Total=1190 [2022-01-29 07:44:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:34,411 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:34,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.4857142857142858) internal successors, (87), 34 states have internal predecessors, (87), 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) [2022-01-29 07:44:34,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:34,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:35,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 07:44:35,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-29 07:44:35,722 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,SelfDestructingSolverStorable1 [2022-01-29 07:44:35,723 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:35,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:35,724 INFO L85 PathProgramCache]: Analyzing trace with hash 784028905, now seen corresponding path program 3 times [2022-01-29 07:44:35,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:35,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245370987] [2022-01-29 07:44:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:35,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:35,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:35,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245370987] [2022-01-29 07:44:35,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245370987] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:35,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675137600] [2022-01-29 07:44:35,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 07:44:35,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:35,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:35,841 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) [2022-01-29 07:44:35,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-29 07:44:35,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-01-29 07:44:35,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:35,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-29 07:44:35,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:35,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:36,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675137600] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:36,047 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:36,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2022-01-29 07:44:36,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337419714] [2022-01-29 07:44:36,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:36,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-29 07:44:36,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:36,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-29 07:44:36,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-29 07:44:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:36,049 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:36,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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) [2022-01-29 07:44:36,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:36,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 07:44:36,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:36,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-29 07:44:36,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:36,460 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:36,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:36,460 INFO L85 PathProgramCache]: Analyzing trace with hash -545141395, now seen corresponding path program 4 times [2022-01-29 07:44:36,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:36,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841220665] [2022-01-29 07:44:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:36,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 100 proven. 79 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:44:36,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:36,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841220665] [2022-01-29 07:44:36,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841220665] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:36,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247876375] [2022-01-29 07:44:36,744 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 07:44:36,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:36,746 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) [2022-01-29 07:44:36,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-29 07:44:36,792 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 07:44:36,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:36,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjunts are in the unsatisfiable core [2022-01-29 07:44:36,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 33 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:37,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 35 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:38,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247876375] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:38,079 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:38,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23, 23] total 57 [2022-01-29 07:44:38,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797685121] [2022-01-29 07:44:38,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:38,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-01-29 07:44:38,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:38,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-01-29 07:44:38,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=2664, Unknown=0, NotChecked=0, Total=3306 [2022-01-29 07:44:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:38,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:38,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.3448275862068964) internal successors, (136), 57 states have internal predecessors, (136), 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) [2022-01-29 07:44:38,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:38,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:38,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:38,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:39,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-29 07:44:40,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:40,140 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:40,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:40,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1797751553, now seen corresponding path program 5 times [2022-01-29 07:44:40,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:40,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679469500] [2022-01-29 07:44:40,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:40,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 36 proven. 249 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:44:40,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:40,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679469500] [2022-01-29 07:44:40,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679469500] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:40,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875123149] [2022-01-29 07:44:40,300 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 07:44:40,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:40,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:40,302 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) [2022-01-29 07:44:40,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-29 07:44:40,358 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-01-29 07:44:40,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:40,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 26 conjunts are in the unsatisfiable core [2022-01-29 07:44:40,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 125 proven. 161 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:40,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:40,933 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 13 proven. 273 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:40,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875123149] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:40,934 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:40,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 27 [2022-01-29 07:44:40,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98675655] [2022-01-29 07:44:40,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:40,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-29 07:44:40,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:40,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-29 07:44:40,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2022-01-29 07:44:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:40,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:40,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.444444444444445) internal successors, (120), 27 states have internal predecessors, (120), 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) [2022-01-29 07:44:40,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:41,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:41,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-29 07:44:41,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:41,227 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:41,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:41,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1906379261, now seen corresponding path program 6 times [2022-01-29 07:44:41,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:41,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258028861] [2022-01-29 07:44:41,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:41,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 256 proven. 196 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:44:41,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:41,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258028861] [2022-01-29 07:44:41,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258028861] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:41,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675821968] [2022-01-29 07:44:41,715 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 07:44:41,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:41,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:41,716 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) [2022-01-29 07:44:41,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-29 07:44:41,764 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-01-29 07:44:41,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:41,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 34 conjunts are in the unsatisfiable core [2022-01-29 07:44:41,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 135 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:42,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 137 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:43,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675821968] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:43,770 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:43,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 34, 34] total 86 [2022-01-29 07:44:43,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216841866] [2022-01-29 07:44:43,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:43,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-01-29 07:44:43,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:43,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-01-29 07:44:43,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1390, Invalid=6092, Unknown=0, NotChecked=0, Total=7482 [2022-01-29 07:44:43,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:43,774 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:43,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.2298850574712645) internal successors, (194), 86 states have internal predecessors, (194), 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) [2022-01-29 07:44:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:46,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:46,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:46,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:46,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:46,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:46,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:44:46,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-29 07:44:46,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:46,730 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:46,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:46,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1331122409, now seen corresponding path program 7 times [2022-01-29 07:44:46,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:46,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597249993] [2022-01-29 07:44:46,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:46,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 54 proven. 591 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:44:46,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:46,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597249993] [2022-01-29 07:44:46,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597249993] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:46,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902803239] [2022-01-29 07:44:46,947 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 07:44:46,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:46,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:46,956 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) [2022-01-29 07:44:46,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-29 07:44:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:47,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 36 conjunts are in the unsatisfiable core [2022-01-29 07:44:47,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 54 proven. 591 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:44:47,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 54 proven. 591 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:44:47,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902803239] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:47,329 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:47,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 19 [2022-01-29 07:44:47,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940259190] [2022-01-29 07:44:47,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:47,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-29 07:44:47,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:47,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-29 07:44:47,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-01-29 07:44:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:47,330 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:47,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 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) [2022-01-29 07:44:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:44:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:44:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:44:47,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-01-29 07:44:47,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:47,960 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:47,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:47,961 INFO L85 PathProgramCache]: Analyzing trace with hash 978707609, now seen corresponding path program 8 times [2022-01-29 07:44:47,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:47,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132954059] [2022-01-29 07:44:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:47,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 441 proven. 398 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:44:48,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:48,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132954059] [2022-01-29 07:44:48,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132954059] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:48,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041685346] [2022-01-29 07:44:48,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 07:44:48,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:48,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:48,663 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) [2022-01-29 07:44:48,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-29 07:44:48,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 07:44:48,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:48,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-29 07:44:48,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 275 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:50,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 277 proven. 568 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:44:51,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041685346] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:51,336 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:51,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 45, 45] total 112 [2022-01-29 07:44:51,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581866170] [2022-01-29 07:44:51,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:51,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-01-29 07:44:51,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:51,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-01-29 07:44:51,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2127, Invalid=10529, Unknown=0, NotChecked=0, Total=12656 [2022-01-29 07:44:51,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:51,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:51,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 2.1769911504424777) internal successors, (246), 112 states have internal predecessors, (246), 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) [2022-01-29 07:44:51,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:51,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:51,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:51,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:51,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:51,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:44:51,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:44:51,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:44:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:44:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:44:55,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-29 07:44:55,792 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,SelfDestructingSolverStorable7 [2022-01-29 07:44:55,792 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:55,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:55,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1786071253, now seen corresponding path program 9 times [2022-01-29 07:44:55,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:55,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795808940] [2022-01-29 07:44:55,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:55,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 69 proven. 986 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:44:56,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795808940] [2022-01-29 07:44:56,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795808940] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646530634] [2022-01-29 07:44:56,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 07:44:56,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:56,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:56,152 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) [2022-01-29 07:44:56,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-29 07:44:56,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2022-01-29 07:44:56,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:56,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 48 conjunts are in the unsatisfiable core [2022-01-29 07:44:56,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:44:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 488 proven. 568 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:57,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:44:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 24 proven. 1032 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:44:57,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646530634] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:44:57,334 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:44:57,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 26] total 49 [2022-01-29 07:44:57,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714641909] [2022-01-29 07:44:57,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:44:57,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-01-29 07:44:57,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:44:57,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-01-29 07:44:57,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=605, Invalid=1747, Unknown=0, NotChecked=0, Total=2352 [2022-01-29 07:44:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:57,336 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:44:57,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.244897959183674) internal successors, (208), 49 states have internal predecessors, (208), 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) [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:44:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:44:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:44:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:44:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:44:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:44:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:44:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:44:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:44:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:44:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:44:57,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-29 07:44:57,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:57,636 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:44:57,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:44:57,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1020828625, now seen corresponding path program 10 times [2022-01-29 07:44:57,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:44:57,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320603082] [2022-01-29 07:44:57,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:44:57,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:44:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:44:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 729 proven. 625 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:44:58,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:44:58,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320603082] [2022-01-29 07:44:58,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320603082] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:44:58,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224330975] [2022-01-29 07:44:58,600 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 07:44:58,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:44:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:44:58,601 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) [2022-01-29 07:44:58,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-29 07:44:58,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 07:44:58,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:44:58,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 56 conjunts are in the unsatisfiable core [2022-01-29 07:44:58,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:45:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 509 proven. 851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:45:00,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:45:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 511 proven. 849 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:45:02,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224330975] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:45:02,416 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:45:02,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 56, 56] total 141 [2022-01-29 07:45:02,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401891586] [2022-01-29 07:45:02,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:45:02,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-01-29 07:45:02,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:45:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-01-29 07:45:02,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3436, Invalid=16586, Unknown=0, NotChecked=0, Total=20022 [2022-01-29 07:45:02,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:02,422 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:45:02,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 2.140845070422535) internal successors, (304), 141 states have internal predecessors, (304), 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) [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:02,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:08,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-29 07:45:08,432 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,SelfDestructingSolverStorable9 [2022-01-29 07:45:08,432 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:45:08,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:45:08,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2136106307, now seen corresponding path program 11 times [2022-01-29 07:45:08,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:45:08,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520483397] [2022-01-29 07:45:08,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:45:08,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:45:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:45:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 87 proven. 1592 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:45:08,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:45:08,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520483397] [2022-01-29 07:45:08,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520483397] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:45:08,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289998538] [2022-01-29 07:45:08,886 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 07:45:08,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:45:08,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:45:08,887 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) [2022-01-29 07:45:08,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-29 07:45:08,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2022-01-29 07:45:08,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:45:08,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 60 conjunts are in the unsatisfiable core [2022-01-29 07:45:08,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:45:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 788 proven. 892 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:45:10,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:45:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 30 proven. 1650 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:45:10,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289998538] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:45:10,406 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:45:10,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 32] total 61 [2022-01-29 07:45:10,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972792747] [2022-01-29 07:45:10,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:45:10,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-01-29 07:45:10,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:45:10,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-01-29 07:45:10,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=935, Invalid=2725, Unknown=0, NotChecked=0, Total=3660 [2022-01-29 07:45:10,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:10,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:45:10,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 4.19672131147541) internal successors, (256), 61 states have internal predecessors, (256), 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) [2022-01-29 07:45:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:10,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:10,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-29 07:45:10,738 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,SelfDestructingSolverStorable10 [2022-01-29 07:45:10,739 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:45:10,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:45:10,739 INFO L85 PathProgramCache]: Analyzing trace with hash -2087634361, now seen corresponding path program 12 times [2022-01-29 07:45:10,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:45:10,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053876845] [2022-01-29 07:45:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:45:10,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:45:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:45:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 1089 proven. 961 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:45:12,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:45:12,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053876845] [2022-01-29 07:45:12,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053876845] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:45:12,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001894180] [2022-01-29 07:45:12,135 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 07:45:12,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:45:12,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:45:12,136 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) [2022-01-29 07:45:12,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-29 07:45:12,231 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 34 check-sat command(s) [2022-01-29 07:45:12,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:45:12,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 68 conjunts are in the unsatisfiable core [2022-01-29 07:45:12,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:45:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 815 proven. 1241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:45:15,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:45:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 817 proven. 1239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:45:17,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001894180] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:45:17,289 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:45:17,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 68, 68] total 171 [2022-01-29 07:45:17,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432314042] [2022-01-29 07:45:17,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:45:17,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2022-01-29 07:45:17,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:45:17,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2022-01-29 07:45:17,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4960, Invalid=24452, Unknown=0, NotChecked=0, Total=29412 [2022-01-29 07:45:17,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:17,294 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:45:17,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 2.116279069767442) internal successors, (364), 171 states have internal predecessors, (364), 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) [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:17,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:17,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:45:25,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-01-29 07:45:25,366 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,SelfDestructingSolverStorable11 [2022-01-29 07:45:25,366 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:45:25,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:45:25,367 INFO L85 PathProgramCache]: Analyzing trace with hash 63687515, now seen corresponding path program 13 times [2022-01-29 07:45:25,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:45:25,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889468219] [2022-01-29 07:45:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:45:25,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:45:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:45:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 105 proven. 2342 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:45:26,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:45:26,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889468219] [2022-01-29 07:45:26,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889468219] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:45:26,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356331672] [2022-01-29 07:45:26,042 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 07:45:26,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:45:26,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:45:26,044 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) [2022-01-29 07:45:26,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-29 07:45:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:45:26,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 70 conjunts are in the unsatisfiable core [2022-01-29 07:45:26,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:45:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 105 proven. 2342 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:45:26,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:45:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 105 proven. 2342 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:45:26,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356331672] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:45:26,768 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:45:26,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 36 [2022-01-29 07:45:26,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541523198] [2022-01-29 07:45:26,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:45:26,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-29 07:45:26,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:45:26,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-29 07:45:26,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2022-01-29 07:45:26,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:26,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:45:26,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.194444444444445) internal successors, (151), 36 states have internal predecessors, (151), 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) [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:45:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:45:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:45:28,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-29 07:45:28,463 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,SelfDestructingSolverStorable12 [2022-01-29 07:45:28,463 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:45:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:45:28,464 INFO L85 PathProgramCache]: Analyzing trace with hash -239403555, now seen corresponding path program 14 times [2022-01-29 07:45:28,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:45:28,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149880051] [2022-01-29 07:45:28,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:45:28,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:45:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:45:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2817 backedges. 1444 proven. 1367 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:45:30,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:45:30,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149880051] [2022-01-29 07:45:30,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149880051] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:45:30,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236557227] [2022-01-29 07:45:30,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 07:45:30,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:45:30,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:45:30,242 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:45:30,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-29 07:45:30,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 07:45:30,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:45:30,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 79 conjunts are in the unsatisfiable core [2022-01-29 07:45:30,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:45:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2817 backedges. 1125 proven. 1692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:45:34,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:45:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2817 backedges. 1127 proven. 1690 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:45:36,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236557227] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:45:36,801 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:45:36,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 79, 79] total 197 [2022-01-29 07:45:36,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551943889] [2022-01-29 07:45:36,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:45:36,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 198 states [2022-01-29 07:45:36,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:45:36,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2022-01-29 07:45:36,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6326, Invalid=32680, Unknown=0, NotChecked=0, Total=39006 [2022-01-29 07:45:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:36,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:45:36,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 198 states, 198 states have (on average 2.101010101010101) internal successors, (416), 197 states have internal predecessors, (416), 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) [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:45:36,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:45:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:45:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:45:46,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-01-29 07:45:46,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:45:46,941 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:45:46,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:45:46,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2097174161, now seen corresponding path program 15 times [2022-01-29 07:45:46,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:45:46,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519647219] [2022-01-29 07:45:46,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:45:46,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:45:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:45:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 120 proven. 3077 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:45:47,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:45:47,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519647219] [2022-01-29 07:45:47,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519647219] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:45:47,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068758956] [2022-01-29 07:45:47,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 07:45:47,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:45:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:45:47,751 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:45:47,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-29 07:45:47,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2022-01-29 07:45:47,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:45:47,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 82 conjunts are in the unsatisfiable core [2022-01-29 07:45:47,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:45:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 1525 proven. 1673 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:45:49,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:45:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 41 proven. 3157 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:45:50,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068758956] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:45:50,268 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:45:50,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43, 43] total 83 [2022-01-29 07:45:50,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248450412] [2022-01-29 07:45:50,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:45:50,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-01-29 07:45:50,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:45:50,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-01-29 07:45:50,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1727, Invalid=5079, Unknown=0, NotChecked=0, Total=6806 [2022-01-29 07:45:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:50,271 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:45:50,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.144578313253012) internal successors, (344), 83 states have internal predecessors, (344), 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) [2022-01-29 07:45:50,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:50,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:45:50,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:45:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:45:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:45:50,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-01-29 07:45:50,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-29 07:45:50,655 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:45:50,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:45:50,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1819266445, now seen corresponding path program 16 times [2022-01-29 07:45:50,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:45:50,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733782380] [2022-01-29 07:45:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:45:50,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:45:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:45:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 1936 proven. 1764 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:45:52,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:45:52,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733782380] [2022-01-29 07:45:52,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733782380] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:45:52,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722700237] [2022-01-29 07:45:52,884 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 07:45:52,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:45:52,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:45:52,885 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:45:52,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-29 07:45:52,957 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 07:45:52,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:45:52,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 90 conjunts are in the unsatisfiable core [2022-01-29 07:45:52,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:45:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 1563 proven. 2143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:45:58,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:46:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 1565 proven. 2141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:46:01,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722700237] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:46:01,363 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:46:01,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 90, 90] total 226 [2022-01-29 07:46:01,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923567112] [2022-01-29 07:46:01,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:46:01,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 227 states [2022-01-29 07:46:01,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:46:01,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2022-01-29 07:46:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8502, Invalid=42800, Unknown=0, NotChecked=0, Total=51302 [2022-01-29 07:46:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:01,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:46:01,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 227 states, 227 states have (on average 2.0881057268722465) internal successors, (474), 226 states have internal predecessors, (474), 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) [2022-01-29 07:46:01,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:01,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:01,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:46:14,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-29 07:46:14,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-29 07:46:14,248 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:46:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:46:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash -647853177, now seen corresponding path program 17 times [2022-01-29 07:46:14,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:46:14,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881881543] [2022-01-29 07:46:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:46:14,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:46:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:46:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4234 backedges. 138 proven. 4091 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:46:15,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:46:15,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881881543] [2022-01-29 07:46:15,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881881543] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:46:15,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425889644] [2022-01-29 07:46:15,185 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 07:46:15,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:46:15,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:46:15,186 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:46:15,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-29 07:46:15,280 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-01-29 07:46:15,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:46:15,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 94 conjunts are in the unsatisfiable core [2022-01-29 07:46:15,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:46:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4234 backedges. 2029 proven. 2201 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:46:17,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:46:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4234 backedges. 47 proven. 4183 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:46:18,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425889644] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:46:18,267 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:46:18,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 49, 49] total 95 [2022-01-29 07:46:18,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763585807] [2022-01-29 07:46:18,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:46:18,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-01-29 07:46:18,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:46:18,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-01-29 07:46:18,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2261, Invalid=6669, Unknown=0, NotChecked=0, Total=8930 [2022-01-29 07:46:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:18,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:46:18,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 4.126315789473685) internal successors, (392), 95 states have internal predecessors, (392), 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) [2022-01-29 07:46:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:46:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:46:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:46:18,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-01-29 07:46:18,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-01-29 07:46:18,740 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:46:18,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:46:18,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1161544565, now seen corresponding path program 18 times [2022-01-29 07:46:18,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:46:18,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041087518] [2022-01-29 07:46:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:46:18,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:46:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:46:21,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4810 backedges. 2500 proven. 2304 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:46:21,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:46:21,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041087518] [2022-01-29 07:46:21,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041087518] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:46:21,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603206417] [2022-01-29 07:46:21,517 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 07:46:21,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:46:21,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:46:21,518 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:46:21,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-01-29 07:46:21,620 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2022-01-29 07:46:21,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:46:21,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 102 conjunts are in the unsatisfiable core [2022-01-29 07:46:21,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:46:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4810 backedges. 2073 proven. 2737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:46:27,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:46:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4810 backedges. 2075 proven. 2735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:46:32,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603206417] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:46:32,003 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:46:32,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 102, 102] total 256 [2022-01-29 07:46:32,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74430883] [2022-01-29 07:46:32,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:46:32,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2022-01-29 07:46:32,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:46:32,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2022-01-29 07:46:32,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10842, Invalid=54950, Unknown=0, NotChecked=0, Total=65792 [2022-01-29 07:46:32,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:32,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:46:32,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 2.077821011673152) internal successors, (534), 256 states have internal predecessors, (534), 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) [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:32,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:46:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:46:32,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:46:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:46:48,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-01-29 07:46:48,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-29 07:46:48,409 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:46:48,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:46:48,409 INFO L85 PathProgramCache]: Analyzing trace with hash -470080097, now seen corresponding path program 19 times [2022-01-29 07:46:48,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:46:48,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564134789] [2022-01-29 07:46:48,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:46:48,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:46:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:46:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5410 backedges. 156 proven. 5249 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:46:49,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:46:49,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564134789] [2022-01-29 07:46:49,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564134789] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:46:49,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752808182] [2022-01-29 07:46:49,568 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 07:46:49,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:46:49,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:46:49,569 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:46:49,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-01-29 07:46:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:46:49,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 104 conjunts are in the unsatisfiable core [2022-01-29 07:46:49,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:46:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5410 backedges. 156 proven. 5249 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:46:50,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:46:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5410 backedges. 156 proven. 5249 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:46:50,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752808182] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:46:50,399 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:46:50,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 53 [2022-01-29 07:46:50,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508044827] [2022-01-29 07:46:50,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:46:50,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-01-29 07:46:50,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:46:50,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-01-29 07:46:50,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2022-01-29 07:46:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:50,401 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:46:50,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.132075471698113) internal successors, (219), 53 states have internal predecessors, (219), 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) [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:50,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:46:50,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:46:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:46:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:46:54,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-01-29 07:46:54,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:46:54,385 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:46:54,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:46:54,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1634314975, now seen corresponding path program 20 times [2022-01-29 07:46:54,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:46:54,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105849408] [2022-01-29 07:46:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:46:54,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:46:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:46:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5945 backedges. 3025 proven. 2914 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:46:57,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:46:57,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105849408] [2022-01-29 07:46:57,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105849408] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:46:57,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598475263] [2022-01-29 07:46:57,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 07:46:57,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:46:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:46:57,792 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:46:57,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-01-29 07:46:57,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 07:46:57,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:46:57,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 113 conjunts are in the unsatisfiable core [2022-01-29 07:46:57,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:47:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5945 backedges. 2553 proven. 3392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:47:05,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:47:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5945 backedges. 2555 proven. 3390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:47:10,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598475263] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:47:10,022 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:47:10,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 113, 113] total 282 [2022-01-29 07:47:10,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543958137] [2022-01-29 07:47:10,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:47:10,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 283 states [2022-01-29 07:47:10,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:47:10,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 283 interpolants. [2022-01-29 07:47:10,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12837, Invalid=66969, Unknown=0, NotChecked=0, Total=79806 [2022-01-29 07:47:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:47:10,029 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:47:10,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 283 states, 283 states have (on average 2.070671378091873) internal successors, (586), 282 states have internal predecessors, (586), 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) [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:47:10,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:10,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:47:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:47:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:47:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:47:29,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-01-29 07:47:29,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:47:29,298 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:47:29,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:47:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1833818547, now seen corresponding path program 21 times [2022-01-29 07:47:29,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:47:29,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633304367] [2022-01-29 07:47:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:47:29,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:47:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:47:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6500 backedges. 171 proven. 6324 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:47:30,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:47:30,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633304367] [2022-01-29 07:47:30,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633304367] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:47:30,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791415997] [2022-01-29 07:47:30,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 07:47:30,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:47:30,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:47:30,700 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:47:30,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-01-29 07:47:30,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2022-01-29 07:47:30,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:47:30,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 116 conjunts are in the unsatisfiable core [2022-01-29 07:47:30,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:47:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6500 backedges. 3140 proven. 3356 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:47:34,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:47:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6500 backedges. 58 proven. 6438 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:47:34,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791415997] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:47:34,950 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:47:34,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 60, 60] total 117 [2022-01-29 07:47:34,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619675205] [2022-01-29 07:47:34,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:47:34,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2022-01-29 07:47:34,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:47:34,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2022-01-29 07:47:34,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3427, Invalid=10145, Unknown=0, NotChecked=0, Total=13572 [2022-01-29 07:47:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:47:34,953 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:47:34,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 4.102564102564102) internal successors, (480), 117 states have internal predecessors, (480), 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) [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:47:34,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:47:34,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:47:35,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:47:35,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-01-29 07:47:35,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:47:35,517 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:47:35,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:47:35,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1474511177, now seen corresponding path program 22 times [2022-01-29 07:47:35,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:47:35,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990547398] [2022-01-29 07:47:35,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:47:35,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:47:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:47:39,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7208 backedges. 3721 proven. 3481 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:47:39,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:47:39,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990547398] [2022-01-29 07:47:39,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990547398] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:47:39,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360361062] [2022-01-29 07:47:39,659 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 07:47:39,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:47:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:47:39,664 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:47:39,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-01-29 07:47:39,752 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 07:47:39,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:47:39,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 124 conjunts are in the unsatisfiable core [2022-01-29 07:47:39,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:47:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7208 backedges. 3195 proven. 4013 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:47:48,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:47:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7208 backedges. 3197 proven. 4011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:47:54,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360361062] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:47:54,320 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:47:54,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 124, 124] total 311 [2022-01-29 07:47:54,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502725152] [2022-01-29 07:47:54,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:47:54,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 312 states [2022-01-29 07:47:54,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:47:54,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 312 interpolants. [2022-01-29 07:47:54,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15880, Invalid=81152, Unknown=0, NotChecked=0, Total=97032 [2022-01-29 07:47:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:47:54,331 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:47:54,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 312 states, 312 states have (on average 2.0641025641025643) internal successors, (644), 311 states have internal predecessors, (644), 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) [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:47:54,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:47:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:47:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:47:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:47:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:47:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:47:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:47:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:48:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:48:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:48:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:48:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:48:16,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-01-29 07:48:17,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:48:17,073 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:48:17,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:48:17,073 INFO L85 PathProgramCache]: Analyzing trace with hash -121507893, now seen corresponding path program 23 times [2022-01-29 07:48:17,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:48:17,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33620112] [2022-01-29 07:48:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:48:17,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:48:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:48:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7940 backedges. 189 proven. 7746 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:48:18,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:48:18,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33620112] [2022-01-29 07:48:18,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33620112] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:48:18,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229474465] [2022-01-29 07:48:18,733 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 07:48:18,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:48:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:48:18,734 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:48:18,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-01-29 07:48:18,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2022-01-29 07:48:18,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:48:18,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 128 conjunts are in the unsatisfiable core [2022-01-29 07:48:18,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:48:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7940 backedges. 3848 proven. 4088 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:48:23,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:48:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7940 backedges. 64 proven. 7872 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:48:23,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229474465] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:48:23,845 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:48:23,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 66, 66] total 129 [2022-01-29 07:48:23,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984108743] [2022-01-29 07:48:23,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:48:23,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2022-01-29 07:48:23,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:48:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2022-01-29 07:48:23,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4165, Invalid=12347, Unknown=0, NotChecked=0, Total=16512 [2022-01-29 07:48:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:48:23,847 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:48:23,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.093023255813954) internal successors, (528), 129 states have internal predecessors, (528), 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) [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:48:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:48:23,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:23,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:48:23,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:48:23,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:48:23,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:48:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:48:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:48:24,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-01-29 07:48:24,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:48:24,486 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:48:24,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:48:24,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1716583631, now seen corresponding path program 24 times [2022-01-29 07:48:24,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:48:24,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146924957] [2022-01-29 07:48:24,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:48:24,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:48:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:48:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8720 backedges. 4489 proven. 4225 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:48:29,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:48:29,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146924957] [2022-01-29 07:48:29,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146924957] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:48:29,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073352622] [2022-01-29 07:48:29,388 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 07:48:29,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:48:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:48:29,389 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:48:29,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-01-29 07:48:29,527 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 68 check-sat command(s) [2022-01-29 07:48:29,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:48:29,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 136 conjunts are in the unsatisfiable core [2022-01-29 07:48:29,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:48:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8720 backedges. 3909 proven. 4811 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:48:40,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:48:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8720 backedges. 3911 proven. 4809 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:48:46,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073352622] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:48:46,675 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:48:46,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [131, 136, 136] total 341 [2022-01-29 07:48:46,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475426692] [2022-01-29 07:48:46,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:48:46,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 342 states [2022-01-29 07:48:46,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:48:46,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 342 interpolants. [2022-01-29 07:48:46,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19036, Invalid=97586, Unknown=0, NotChecked=0, Total=116622 [2022-01-29 07:48:46,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:48:46,683 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:48:46,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 342 states, 342 states have (on average 2.0584795321637426) internal successors, (704), 341 states have internal predecessors, (704), 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) [2022-01-29 07:48:46,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:48:46,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:46,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:48:46,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:46,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:48:46,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:48:46,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:49:13,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:49:13,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:49:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:49:13,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-01-29 07:49:13,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:49:13,360 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:49:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:49:13,360 INFO L85 PathProgramCache]: Analyzing trace with hash 401587683, now seen corresponding path program 25 times [2022-01-29 07:49:13,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:49:13,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604246566] [2022-01-29 07:49:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:49:13,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:49:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:49:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9524 backedges. 207 proven. 9312 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:49:15,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:49:15,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604246566] [2022-01-29 07:49:15,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604246566] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:49:15,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5244922] [2022-01-29 07:49:15,424 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 07:49:15,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:49:15,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:49:15,425 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:49:15,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-01-29 07:49:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:49:15,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 138 conjunts are in the unsatisfiable core [2022-01-29 07:49:15,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:49:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9524 backedges. 207 proven. 9312 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:49:16,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:49:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 9524 backedges. 207 proven. 9312 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:49:16,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5244922] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:49:16,514 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:49:16,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70, 70] total 70 [2022-01-29 07:49:16,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128690156] [2022-01-29 07:49:16,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:49:16,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-01-29 07:49:16,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:49:16,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-01-29 07:49:16,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2022-01-29 07:49:16,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:49:16,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:49:16,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.1) internal successors, (287), 70 states have internal predecessors, (287), 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) [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:49:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:16,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:49:16,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:49:16,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:49:16,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:49:16,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:49:16,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:49:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:49:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:49:24,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-01-29 07:49:24,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-01-29 07:49:24,590 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:49:24,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:49:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1283517029, now seen corresponding path program 26 times [2022-01-29 07:49:24,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:49:24,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681657926] [2022-01-29 07:49:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:49:24,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:49:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:49:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10229 backedges. 5184 proven. 5039 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:49:30,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:49:30,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681657926] [2022-01-29 07:49:30,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681657926] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:49:30,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757552288] [2022-01-29 07:49:30,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 07:49:30,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:49:30,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:49:30,308 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:49:30,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-01-29 07:49:30,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 07:49:30,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:49:30,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 147 conjunts are in the unsatisfiable core [2022-01-29 07:49:30,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:49:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10229 backedges. 4559 proven. 5670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:49:42,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:49:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10229 backedges. 4561 proven. 5668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:49:50,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757552288] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:49:50,231 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:49:50,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 147, 147] total 367 [2022-01-29 07:49:50,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808489113] [2022-01-29 07:49:50,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:49:50,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 368 states [2022-01-29 07:49:50,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:49:50,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 368 interpolants. [2022-01-29 07:49:50,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21660, Invalid=113396, Unknown=0, NotChecked=0, Total=135056 [2022-01-29 07:49:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:49:50,240 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:49:50,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 368 states, 368 states have (on average 2.0543478260869565) internal successors, (756), 367 states have internal predecessors, (756), 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) [2022-01-29 07:49:50,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:49:50,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:50:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:50:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:50:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:50:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:50:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:50:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:50:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:50:21,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-01-29 07:50:21,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-29 07:50:21,954 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:50:21,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:50:21,954 INFO L85 PathProgramCache]: Analyzing trace with hash -290568201, now seen corresponding path program 27 times [2022-01-29 07:50:21,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:50:21,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233673707] [2022-01-29 07:50:21,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:50:21,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:50:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:50:24,206 INFO L134 CoverageAnalysis]: Checked inductivity of 10954 backedges. 222 proven. 10727 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:50:24,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:50:24,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233673707] [2022-01-29 07:50:24,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233673707] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:50:24,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449064823] [2022-01-29 07:50:24,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 07:50:24,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:50:24,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:50:24,208 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:50:24,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-01-29 07:50:24,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 75 check-sat command(s) [2022-01-29 07:50:24,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:50:24,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 150 conjunts are in the unsatisfiable core [2022-01-29 07:50:24,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:50:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10954 backedges. 5333 proven. 5617 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:50:30,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:50:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10954 backedges. 75 proven. 10875 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:50:31,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449064823] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:50:31,019 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:50:31,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 77, 77] total 151 [2022-01-29 07:50:31,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85694131] [2022-01-29 07:50:31,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:50:31,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2022-01-29 07:50:31,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:50:31,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2022-01-29 07:50:31,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5705, Invalid=16945, Unknown=0, NotChecked=0, Total=22650 [2022-01-29 07:50:31,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:50:31,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:50:31,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 4.079470198675497) internal successors, (616), 151 states have internal predecessors, (616), 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) [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:50:31,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:50:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:50:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:50:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:50:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:50:31,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-01-29 07:50:32,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-01-29 07:50:32,025 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:50:32,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:50:32,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1604716795, now seen corresponding path program 28 times [2022-01-29 07:50:32,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:50:32,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075868466] [2022-01-29 07:50:32,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:50:32,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:50:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:50:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 11866 backedges. 6084 proven. 5776 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:50:38,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:50:38,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075868466] [2022-01-29 07:50:38,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075868466] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:50:38,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907811989] [2022-01-29 07:50:38,649 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 07:50:38,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:50:38,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:50:38,650 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:50:38,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-01-29 07:50:38,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 07:50:38,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:50:38,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 158 conjunts are in the unsatisfiable core [2022-01-29 07:50:38,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:50:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 11866 backedges. 5405 proven. 6461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:50:53,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:51:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11866 backedges. 5407 proven. 6459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:51:01,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907811989] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:51:01,567 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:51:01,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [153, 158, 158] total 396 [2022-01-29 07:51:01,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524555702] [2022-01-29 07:51:01,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:51:01,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 397 states [2022-01-29 07:51:01,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:51:01,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 397 interpolants. [2022-01-29 07:51:01,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25570, Invalid=131642, Unknown=0, NotChecked=0, Total=157212 [2022-01-29 07:51:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:51:01,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:51:01,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 397 states, 397 states have (on average 2.0503778337531484) internal successors, (814), 396 states have internal predecessors, (814), 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) [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:51:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:51:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:51:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:51:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:51:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:51:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:51:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:51:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:51:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:51:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:51:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:51:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:51:37,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-01-29 07:51:37,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-01-29 07:51:37,977 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:51:37,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:51:37,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1755943439, now seen corresponding path program 29 times [2022-01-29 07:51:37,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:51:37,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29290960] [2022-01-29 07:51:37,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:51:37,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:51:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:51:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 12802 backedges. 240 proven. 12557 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:51:40,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:51:40,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29290960] [2022-01-29 07:51:40,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29290960] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:51:40,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32550709] [2022-01-29 07:51:40,550 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 07:51:40,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:51:40,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:51:40,552 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:51:40,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-01-29 07:51:40,717 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 81 check-sat command(s) [2022-01-29 07:51:40,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:51:40,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 162 conjunts are in the unsatisfiable core [2022-01-29 07:51:40,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:51:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12802 backedges. 6245 proven. 6553 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:51:47,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:51:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 12802 backedges. 81 proven. 12717 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:51:48,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32550709] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:51:48,365 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:51:48,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 83, 83] total 163 [2022-01-29 07:51:48,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031089759] [2022-01-29 07:51:48,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:51:48,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2022-01-29 07:51:48,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:51:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2022-01-29 07:51:48,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6647, Invalid=19759, Unknown=0, NotChecked=0, Total=26406 [2022-01-29 07:51:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:51:48,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:51:48,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 163 states have (on average 4.07361963190184) internal successors, (664), 163 states have internal predecessors, (664), 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) [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:51:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:51:48,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:51:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:51:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:51:49,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:51:49,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-01-29 07:51:49,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-01-29 07:51:49,531 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:51:49,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:51:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash 638614291, now seen corresponding path program 30 times [2022-01-29 07:51:49,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:51:49,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624426111] [2022-01-29 07:51:49,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:51:49,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:51:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:51:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 13786 backedges. 7056 proven. 6724 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:51:57,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:51:57,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624426111] [2022-01-29 07:51:57,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624426111] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:51:57,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029608766] [2022-01-29 07:51:57,642 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 07:51:57,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:51:57,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:51:57,644 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:51:57,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-01-29 07:51:57,861 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 85 check-sat command(s) [2022-01-29 07:51:57,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:51:57,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 170 conjunts are in the unsatisfiable core [2022-01-29 07:51:57,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:52:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 13786 backedges. 6323 proven. 7463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:52:14,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:52:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13786 backedges. 6325 proven. 7461 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:52:24,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029608766] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:52:24,154 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:52:24,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [165, 170, 170] total 426 [2022-01-29 07:52:24,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271844851] [2022-01-29 07:52:24,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:52:24,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 427 states [2022-01-29 07:52:24,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:52:24,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 427 interpolants. [2022-01-29 07:52:24,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29542, Invalid=152360, Unknown=0, NotChecked=0, Total=181902 [2022-01-29 07:52:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:52:24,170 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:52:24,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 427 states, 427 states have (on average 2.0468384074941453) internal successors, (874), 426 states have internal predecessors, (874), 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) [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:52:24,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:52:24,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:53:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:53:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:53:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:53:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:53:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:53:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2022-01-29 07:53:06,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-01-29 07:53:06,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:53:06,301 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:53:06,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:53:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash 467833895, now seen corresponding path program 31 times [2022-01-29 07:53:06,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:53:06,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666962033] [2022-01-29 07:53:06,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:53:06,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:53:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:53:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14794 backedges. 258 proven. 14531 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:53:09,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:53:09,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666962033] [2022-01-29 07:53:09,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666962033] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:53:09,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260667334] [2022-01-29 07:53:09,246 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 07:53:09,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:53:09,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:53:09,247 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:53:09,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-01-29 07:53:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:53:09,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 172 conjunts are in the unsatisfiable core [2022-01-29 07:53:09,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:53:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 14794 backedges. 258 proven. 14531 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:53:09,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:53:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14794 backedges. 258 proven. 14531 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:53:10,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260667334] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:53:10,599 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:53:10,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87, 87] total 87 [2022-01-29 07:53:10,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730979542] [2022-01-29 07:53:10,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:53:10,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-01-29 07:53:10,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:53:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-01-29 07:53:10,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2022-01-29 07:53:10,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:53:10,601 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:53:10,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 4.080459770114943) internal successors, (355), 87 states have internal predecessors, (355), 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) [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:53:10,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2022-01-29 07:53:10,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:53:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:53:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2022-01-29 07:53:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-01-29 07:53:24,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-01-29 07:53:24,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:53:24,931 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:53:24,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:53:24,932 INFO L85 PathProgramCache]: Analyzing trace with hash -728515159, now seen corresponding path program 32 times [2022-01-29 07:53:24,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:53:24,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128842342] [2022-01-29 07:53:24,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:53:24,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:53:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:53:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15669 backedges. 7921 proven. 7742 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:53:33,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:53:33,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128842342] [2022-01-29 07:53:33,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128842342] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:53:33,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493439694] [2022-01-29 07:53:33,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 07:53:33,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:53:33,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:53:33,921 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:53:33,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-01-29 07:53:34,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 07:53:34,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:53:34,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 181 conjunts are in the unsatisfiable core [2022-01-29 07:53:34,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:53:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 15669 backedges. 7143 proven. 8526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:53:53,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:54:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 15669 backedges. 7145 proven. 8524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 07:54:04,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493439694] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:54:04,269 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:54:04,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [176, 181, 181] total 452 [2022-01-29 07:54:04,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934449541] [2022-01-29 07:54:04,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:54:04,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 453 states [2022-01-29 07:54:04,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:54:04,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 453 interpolants. [2022-01-29 07:54:04,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32795, Invalid=171961, Unknown=0, NotChecked=0, Total=204756 [2022-01-29 07:54:04,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:54:04,284 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:54:04,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 453 states, 453 states have (on average 2.0441501103752757) internal successors, (926), 452 states have internal predecessors, (926), 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) [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:54:04,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-01-29 07:54:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:54:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:54:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:54:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2022-01-29 07:54:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-01-29 07:54:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2022-01-29 07:54:55,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-01-29 07:54:55,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:54:55,363 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:54:55,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:54:55,364 INFO L85 PathProgramCache]: Analyzing trace with hash 383382587, now seen corresponding path program 33 times [2022-01-29 07:54:55,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:54:55,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467766471] [2022-01-29 07:54:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:54:55,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:54:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:54:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 16564 backedges. 273 proven. 16286 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-29 07:54:59,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:54:59,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467766471] [2022-01-29 07:54:59,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467766471] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:54:59,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028960147] [2022-01-29 07:54:59,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 07:54:59,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:54:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:54:59,084 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:54:59,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-01-29 07:54:59,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 92 check-sat command(s) [2022-01-29 07:54:59,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:54:59,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 184 conjunts are in the unsatisfiable core [2022-01-29 07:54:59,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 07:55:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16564 backedges. 8104 proven. 8456 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:55:08,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 07:55:09,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16564 backedges. 92 proven. 16468 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-29 07:55:09,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028960147] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 07:55:09,066 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 07:55:09,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 94, 94] total 185 [2022-01-29 07:55:09,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482233524] [2022-01-29 07:55:09,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 07:55:09,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2022-01-29 07:55:09,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 07:55:09,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2022-01-29 07:55:09,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8561, Invalid=25479, Unknown=0, NotChecked=0, Total=34040 [2022-01-29 07:55:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:55:09,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 07:55:09,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 4.064864864864865) internal successors, (752), 185 states have internal predecessors, (752), 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) [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:55:09,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2022-01-29 07:55:09,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 07:55:10,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 07:55:10,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:55:10,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2022-01-29 07:55:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2022-01-29 07:55:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-01-29 07:55:10,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2022-01-29 07:55:10,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-01-29 07:55:10,731 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 07:55:10,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:55:10,732 INFO L85 PathProgramCache]: Analyzing trace with hash -964357825, now seen corresponding path program 34 times [2022-01-29 07:55:10,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:55:10,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132774973] [2022-01-29 07:55:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:55:10,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:55:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:55:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 17680 backedges. 9025 proven. 8649 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 07:55:20,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:55:20,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132774973] [2022-01-29 07:55:20,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132774973] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:55:20,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366249236] [2022-01-29 07:55:20,573 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 07:55:20,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:55:20,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:55:20,574 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-29 07:55:20,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-01-29 07:55:20,708 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 07:55:20,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 07:55:20,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 192 conjunts are in the unsatisfiable core [2022-01-29 07:55:20,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-01-29 07:55:35,222 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-29 07:55:35,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-01-29 07:55:35,260 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 07:55:35,260 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 [2022-01-29 07:55:35,260 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 [2022-01-29 07:55:35,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:55:35,423 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 392 with TraceHistMax 96,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 321 known predicates. [2022-01-29 07:55:35,426 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-29 07:55:35,426 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-29 07:55:35,433 INFO L732 BasicCegarLoop]: Path program histogram: [34] [2022-01-29 07:55:35,435 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 07:55:35,435 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 07:55:35,437 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 07:55:35 BasicIcfg [2022-01-29 07:55:35,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 07:55:35,437 INFO L158 Benchmark]: Toolchain (without parser) took 662823.99ms. Allocated memory was 178.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 135.1MB in the beginning and 302.5MB in the end (delta: -167.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-01-29 07:55:35,437 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 07:55:35,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.98ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 133.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 07:55:35,438 INFO L158 Benchmark]: Boogie Preprocessor took 14.77ms. Allocated memory is still 178.3MB. Free memory was 133.6MB in the beginning and 132.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 07:55:35,438 INFO L158 Benchmark]: RCFGBuilder took 170.31ms. Allocated memory is still 178.3MB. Free memory was 132.6MB in the beginning and 123.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-29 07:55:35,438 INFO L158 Benchmark]: TraceAbstraction took 662604.48ms. Allocated memory was 178.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 123.2MB in the beginning and 302.5MB in the end (delta: -179.3MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-01-29 07:55:35,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.98ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 133.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.77ms. Allocated memory is still 178.3MB. Free memory was 133.6MB in the beginning and 132.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 170.31ms. Allocated memory is still 178.3MB. Free memory was 132.6MB in the beginning and 123.7MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 662604.48ms. Allocated memory was 178.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 123.2MB in the beginning and 302.5MB in the end (delta: -179.3MB). Peak memory consumption was 1.1GB. 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: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 392 with TraceHistMax 96,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 321 known predicates. - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 392 with TraceHistMax 96,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 321 known predicates. - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 392 with TraceHistMax 96,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 321 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 662.5s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 34, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 323.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4051, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 300.5s InterpolantComputationTime, 13149 NumberOfCodeBlocks, 13149 NumberOfCodeBlocksAsserted, 842 NumberOfCheckSat, 19610 ConstructedInterpolants, 0 QuantifiedInterpolants, 129636 SizeOfPredicates, 132 NumberOfNonLiveVariables, 17630 ConjunctsInSsa, 3124 ConjunctsInUnsatCore, 97 InterpolantComputations, 1 PerfectInterpolantSequences, 161676/563612 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