/usr/bin/java -Xmx16000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 04:00:26,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 04:00:26,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 04:00:26,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 04:00:26,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 04:00:26,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 04:00:26,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 04:00:26,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 04:00:26,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 04:00:26,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 04:00:26,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 04:00:26,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-01-18 04:00:26,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 04:00:26,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 04:00:26,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 04:00:26,403 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-FA-NoLbe.epf [2022-01-18 04:00:26,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 04:00:26,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 04:00:26,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 04:00:26,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 04:00:26,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 04:00:26,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 04:00:26,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 04:00:26,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 04:00:26,431 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 04:00:26,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 04:00:26,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 04:00:26,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 04:00:26,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 04:00:26,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 04:00:26,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 04:00:26,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 04:00:26,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 04:00:26,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 04:00:26,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 04:00:26,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 04:00:26,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 04:00:26,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 04:00:26,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 04:00:26,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 04:00:26,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 04:00:26,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 04:00:26,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 04:00:26,652 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-18 04:00:26,653 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-18 04:00:26,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl [2022-01-18 04:00:26,654 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl' [2022-01-18 04:00:26,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 04:00:26,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-18 04:00:26,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 04:00:26,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 04:00:26,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 04:00:26,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,695 INFO L137 Inliner]: procedures = 10, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-18 04:00:26,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 04:00:26,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 04:00:26,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 04:00:26,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 04:00:26,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 04:00:26,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 04:00:26,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 04:00:26,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 04:00:26,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/1) ... [2022-01-18 04:00:26,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 04:00:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 04:00:26,744 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) [2022-01-18 04:00:26,750 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 [2022-01-18 04:00:26,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-01-18 04:00:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-01-18 04:00:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-01-18 04:00:26,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-01-18 04:00:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-01-18 04:00:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-01-18 04:00:26,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-01-18 04:00:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-01-18 04:00:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-01-18 04:00:26,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-01-18 04:00:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-01-18 04:00:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-01-18 04:00:26,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-01-18 04:00:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-01-18 04:00:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-01-18 04:00:26,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-18 04:00:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 04:00:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 04:00:26,775 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-01-18 04:00:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-01-18 04:00:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-01-18 04:00:26,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-01-18 04:00:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-01-18 04:00:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-01-18 04:00:26,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-01-18 04:00:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-01-18 04:00:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-01-18 04:00:26,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-01-18 04:00:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-01-18 04:00:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-01-18 04:00:26,777 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 04:00:26,812 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 04:00:26,814 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 04:00:26,891 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 04:00:26,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 04:00:26,896 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 04:00:26,897 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 04:00:26 BoogieIcfgContainer [2022-01-18 04:00:26,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 04:00:26,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 04:00:26,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 04:00:26,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 04:00:26,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 04:00:26" (1/2) ... [2022-01-18 04:00:26,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bce268c and model type example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 04:00:26, skipping insertion in model container [2022-01-18 04:00:26,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 04:00:26" (2/2) ... [2022-01-18 04:00:26,915 INFO L111 eAbstractionObserver]: Analyzing ICFG example_9.bpl [2022-01-18 04:00:26,918 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 04:00:26,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 04:00:26,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 04:00:26,919 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 04:00:27,011 INFO L148 ThreadInstanceAdder]: Constructed 81 joinOtherThreadTransitions. [2022-01-18 04:00:27,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 04:00:27,054 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=FINITE_AUTOMATA, 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 [2022-01-18 04:00:27,054 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-01-18 04:00:27,071 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 120 transitions, 528 flow [2022-01-18 04:00:41,548 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 271986 states, 271985 states have (on average 6.7228780998952145) internal successors, (1828522), 271985 states have internal predecessors, (1828522), 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) [2022-01-18 04:00:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 271986 states, 271985 states have (on average 6.7228780998952145) internal successors, (1828522), 271985 states have internal predecessors, (1828522), 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) [2022-01-18 04:00:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:00:43,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:43,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:43,922 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:00:43,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:43,926 INFO L85 PathProgramCache]: Analyzing trace with hash -35739592, now seen corresponding path program 1 times [2022-01-18 04:00:43,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:43,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665543085] [2022-01-18 04:00:43,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:43,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:44,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:44,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665543085] [2022-01-18 04:00:44,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665543085] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:44,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:44,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:00:44,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622968477] [2022-01-18 04:00:44,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:44,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:00:44,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:44,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:00:44,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:44,782 INFO L87 Difference]: Start difference. First operand has 271986 states, 271985 states have (on average 6.7228780998952145) internal successors, (1828522), 271985 states have internal predecessors, (1828522), 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) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:00:48,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:48,703 INFO L93 Difference]: Finished difference Result 213909 states and 1404973 transitions. [2022-01-18 04:00:48,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:00:48,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) Word has length 37 [2022-01-18 04:00:48,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:51,110 INFO L225 Difference]: With dead ends: 213909 [2022-01-18 04:00:51,110 INFO L226 Difference]: Without dead ends: 213909 [2022-01-18 04:00:51,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:51,114 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 94 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:51,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 35 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 04:00:52,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213909 states. [2022-01-18 04:01:04,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213909 to 213909. [2022-01-18 04:01:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213909 states, 213908 states have (on average 6.568118069450418) internal successors, (1404973), 213908 states have internal predecessors, (1404973), 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) [2022-01-18 04:01:08,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213909 states to 213909 states and 1404973 transitions. [2022-01-18 04:01:08,359 INFO L78 Accepts]: Start accepts. Automaton has 213909 states and 1404973 transitions. Word has length 37 [2022-01-18 04:01:08,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:08,360 INFO L470 AbstractCegarLoop]: Abstraction has 213909 states and 1404973 transitions. [2022-01-18 04:01:08,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:01:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 213909 states and 1404973 transitions. [2022-01-18 04:01:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:01:09,850 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:09,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:09,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 04:01:09,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:01:09,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:09,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1904068604, now seen corresponding path program 1 times [2022-01-18 04:01:09,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:09,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874389249] [2022-01-18 04:01:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:09,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:09,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:09,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874389249] [2022-01-18 04:01:09,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874389249] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:09,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:09,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:01:09,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898132958] [2022-01-18 04:01:09,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:09,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:01:09,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:09,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:01:09,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:01:09,892 INFO L87 Difference]: Start difference. First operand 213909 states and 1404973 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:01:12,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:12,881 INFO L93 Difference]: Finished difference Result 192039 states and 1230742 transitions. [2022-01-18 04:01:12,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:01:12,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) Word has length 37 [2022-01-18 04:01:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:14,923 INFO L225 Difference]: With dead ends: 192039 [2022-01-18 04:01:14,923 INFO L226 Difference]: Without dead ends: 192039 [2022-01-18 04:01:14,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:01:14,924 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 85 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:14,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 27 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 04:01:15,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192039 states. [2022-01-18 04:01:22,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192039 to 192039. [2022-01-18 04:01:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192039 states, 192038 states have (on average 6.4088461658630065) internal successors, (1230742), 192038 states have internal predecessors, (1230742), 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) [2022-01-18 04:01:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192039 states to 192039 states and 1230742 transitions. [2022-01-18 04:01:25,495 INFO L78 Accepts]: Start accepts. Automaton has 192039 states and 1230742 transitions. Word has length 37 [2022-01-18 04:01:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:25,496 INFO L470 AbstractCegarLoop]: Abstraction has 192039 states and 1230742 transitions. [2022-01-18 04:01:25,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:01:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 192039 states and 1230742 transitions. [2022-01-18 04:01:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:01:26,237 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:26,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:26,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 04:01:26,237 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:01:26,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:26,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1595584380, now seen corresponding path program 1 times [2022-01-18 04:01:26,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:26,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986016639] [2022-01-18 04:01:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:26,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:26,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:26,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986016639] [2022-01-18 04:01:26,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986016639] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:26,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:26,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:01:26,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433097201] [2022-01-18 04:01:26,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:26,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:01:26,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:26,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:01:26,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:01:26,268 INFO L87 Difference]: Start difference. First operand 192039 states and 1230742 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:01:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:28,634 INFO L93 Difference]: Finished difference Result 157047 states and 977779 transitions. [2022-01-18 04:01:28,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:01:28,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) Word has length 37 [2022-01-18 04:01:28,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:30,417 INFO L225 Difference]: With dead ends: 157047 [2022-01-18 04:01:30,418 INFO L226 Difference]: Without dead ends: 157047 [2022-01-18 04:01:30,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:01:30,419 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 83 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:30,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 31 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 04:01:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157047 states. [2022-01-18 04:01:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157047 to 157047. [2022-01-18 04:01:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157047 states, 157046 states have (on average 6.22606752161787) internal successors, (977779), 157046 states have internal predecessors, (977779), 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) [2022-01-18 04:01:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157047 states to 157047 states and 977779 transitions. [2022-01-18 04:01:38,947 INFO L78 Accepts]: Start accepts. Automaton has 157047 states and 977779 transitions. Word has length 37 [2022-01-18 04:01:38,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:38,947 INFO L470 AbstractCegarLoop]: Abstraction has 157047 states and 977779 transitions. [2022-01-18 04:01:38,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:01:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 157047 states and 977779 transitions. [2022-01-18 04:01:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:01:39,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:39,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:39,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 04:01:39,751 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:01:39,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:39,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1977349508, now seen corresponding path program 1 times [2022-01-18 04:01:39,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:39,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950407514] [2022-01-18 04:01:39,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:39,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:40,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:40,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950407514] [2022-01-18 04:01:40,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950407514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:40,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:40,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:01:40,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528996599] [2022-01-18 04:01:40,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:40,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:01:40,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:40,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:01:40,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:40,962 INFO L87 Difference]: Start difference. First operand 157047 states and 977779 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:01:49,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:49,407 INFO L93 Difference]: Finished difference Result 456238 states and 2682977 transitions. [2022-01-18 04:01:49,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:01:49,407 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:01:49,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:53,311 INFO L225 Difference]: With dead ends: 456238 [2022-01-18 04:01:53,312 INFO L226 Difference]: Without dead ends: 441370 [2022-01-18 04:01:53,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:01:53,313 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1207 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:53,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1207 Valid, 354 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 04:01:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441370 states. [2022-01-18 04:02:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441370 to 159131. [2022-01-18 04:02:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159131 states, 159130 states have (on average 6.2127757179664425) internal successors, (988639), 159130 states have internal predecessors, (988639), 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) [2022-01-18 04:02:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159131 states to 159131 states and 988639 transitions. [2022-01-18 04:02:07,134 INFO L78 Accepts]: Start accepts. Automaton has 159131 states and 988639 transitions. Word has length 37 [2022-01-18 04:02:07,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:07,134 INFO L470 AbstractCegarLoop]: Abstraction has 159131 states and 988639 transitions. [2022-01-18 04:02:07,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:02:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 159131 states and 988639 transitions. [2022-01-18 04:02:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:02:07,701 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:07,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:07,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 04:02:07,701 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:02:07,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:07,701 INFO L85 PathProgramCache]: Analyzing trace with hash -313224248, now seen corresponding path program 2 times [2022-01-18 04:02:07,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:07,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691336626] [2022-01-18 04:02:07,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:07,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:08,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:08,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691336626] [2022-01-18 04:02:08,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691336626] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:08,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:08,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:02:08,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347610048] [2022-01-18 04:02:08,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:08,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:02:08,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:02:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:08,044 INFO L87 Difference]: Start difference. First operand 159131 states and 988639 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:02:16,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:16,468 INFO L93 Difference]: Finished difference Result 455982 states and 2680614 transitions. [2022-01-18 04:02:16,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:02:16,469 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:02:16,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:20,672 INFO L225 Difference]: With dead ends: 455982 [2022-01-18 04:02:20,673 INFO L226 Difference]: Without dead ends: 440159 [2022-01-18 04:02:20,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:02:20,674 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 1301 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:20,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1301 Valid, 372 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 04:02:22,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440159 states. [2022-01-18 04:02:32,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440159 to 157920. [2022-01-18 04:02:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157920 states, 157919 states have (on average 6.220942381853988) internal successors, (982405), 157919 states have internal predecessors, (982405), 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) [2022-01-18 04:02:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157920 states to 157920 states and 982405 transitions. [2022-01-18 04:02:33,926 INFO L78 Accepts]: Start accepts. Automaton has 157920 states and 982405 transitions. Word has length 37 [2022-01-18 04:02:33,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:33,926 INFO L470 AbstractCegarLoop]: Abstraction has 157920 states and 982405 transitions. [2022-01-18 04:02:33,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:02:33,926 INFO L276 IsEmpty]: Start isEmpty. Operand 157920 states and 982405 transitions. [2022-01-18 04:02:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:02:34,498 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:34,498 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:34,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 04:02:34,498 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:02:34,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:34,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1155481320, now seen corresponding path program 3 times [2022-01-18 04:02:34,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:34,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894836684] [2022-01-18 04:02:34,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:34,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:34,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:34,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894836684] [2022-01-18 04:02:34,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894836684] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:34,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:34,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:02:34,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143781397] [2022-01-18 04:02:34,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:34,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:02:34,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:34,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:02:34,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:34,824 INFO L87 Difference]: Start difference. First operand 157920 states and 982405 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:02:42,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:42,095 INFO L93 Difference]: Finished difference Result 456110 states and 2682000 transitions. [2022-01-18 04:02:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:02:42,095 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:02:42,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:46,088 INFO L225 Difference]: With dead ends: 456110 [2022-01-18 04:02:46,089 INFO L226 Difference]: Without dead ends: 441242 [2022-01-18 04:02:46,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:02:46,090 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 965 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:46,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [965 Valid, 424 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 04:02:47,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441242 states. [2022-01-18 04:02:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441242 to 159003. [2022-01-18 04:02:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159003 states, 159002 states have (on average 6.21163255808103) internal successors, (987662), 159002 states have internal predecessors, (987662), 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) [2022-01-18 04:02:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159003 states to 159003 states and 987662 transitions. [2022-01-18 04:02:59,585 INFO L78 Accepts]: Start accepts. Automaton has 159003 states and 987662 transitions. Word has length 37 [2022-01-18 04:02:59,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:59,585 INFO L470 AbstractCegarLoop]: Abstraction has 159003 states and 987662 transitions. [2022-01-18 04:02:59,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:02:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 159003 states and 987662 transitions. [2022-01-18 04:03:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:03:00,362 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:00,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:00,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 04:03:00,363 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:03:00,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:00,363 INFO L85 PathProgramCache]: Analyzing trace with hash 38669896, now seen corresponding path program 1 times [2022-01-18 04:03:00,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:00,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993310066] [2022-01-18 04:03:00,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:00,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:00,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:00,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993310066] [2022-01-18 04:03:00,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993310066] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:00,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:00,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:03:00,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077083194] [2022-01-18 04:03:00,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:00,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:03:00,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:00,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:03:00,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:03:00,416 INFO L87 Difference]: Start difference. First operand 159003 states and 987662 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:03:02,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:02,015 INFO L93 Difference]: Finished difference Result 114224 states and 703963 transitions. [2022-01-18 04:03:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:03:02,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) Word has length 37 [2022-01-18 04:03:02,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:03,592 INFO L225 Difference]: With dead ends: 114224 [2022-01-18 04:03:03,592 INFO L226 Difference]: Without dead ends: 114224 [2022-01-18 04:03:03,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:03:03,598 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 72 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:03,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 47 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 04:03:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114224 states. [2022-01-18 04:03:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114224 to 114224. [2022-01-18 04:03:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114224 states, 114223 states have (on average 6.163058228202726) internal successors, (703963), 114223 states have internal predecessors, (703963), 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) [2022-01-18 04:03:09,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114224 states to 114224 states and 703963 transitions. [2022-01-18 04:03:09,753 INFO L78 Accepts]: Start accepts. Automaton has 114224 states and 703963 transitions. Word has length 37 [2022-01-18 04:03:09,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:09,753 INFO L470 AbstractCegarLoop]: Abstraction has 114224 states and 703963 transitions. [2022-01-18 04:03:09,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:03:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 114224 states and 703963 transitions. [2022-01-18 04:03:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:03:10,237 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:10,237 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:10,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 04:03:10,238 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:03:10,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:10,241 INFO L85 PathProgramCache]: Analyzing trace with hash -290244448, now seen corresponding path program 4 times [2022-01-18 04:03:10,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:10,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084241626] [2022-01-18 04:03:10,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:10,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:10,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:10,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084241626] [2022-01-18 04:03:10,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084241626] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:10,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:10,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:03:10,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144569193] [2022-01-18 04:03:10,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:10,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:03:10,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:03:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:10,682 INFO L87 Difference]: Start difference. First operand 114224 states and 703963 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:03:16,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:16,025 INFO L93 Difference]: Finished difference Result 316061 states and 1838661 transitions. [2022-01-18 04:03:16,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:03:16,026 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:03:16,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:20,111 INFO L225 Difference]: With dead ends: 316061 [2022-01-18 04:03:20,111 INFO L226 Difference]: Without dead ends: 306833 [2022-01-18 04:03:20,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:03:20,115 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 964 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:20,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [964 Valid, 400 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 04:03:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306833 states. [2022-01-18 04:03:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306833 to 113550. [2022-01-18 04:03:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113550 states, 113549 states have (on average 6.168535169838572) internal successors, (700431), 113549 states have internal predecessors, (700431), 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) [2022-01-18 04:03:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113550 states to 113550 states and 700431 transitions. [2022-01-18 04:03:30,059 INFO L78 Accepts]: Start accepts. Automaton has 113550 states and 700431 transitions. Word has length 37 [2022-01-18 04:03:30,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:30,060 INFO L470 AbstractCegarLoop]: Abstraction has 113550 states and 700431 transitions. [2022-01-18 04:03:30,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:03:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 113550 states and 700431 transitions. [2022-01-18 04:03:30,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:03:30,476 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:30,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:30,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 04:03:30,477 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:03:30,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:30,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1659390432, now seen corresponding path program 5 times [2022-01-18 04:03:30,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:30,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934163412] [2022-01-18 04:03:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:30,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:30,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:30,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934163412] [2022-01-18 04:03:30,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934163412] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:30,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:30,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:03:30,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989588911] [2022-01-18 04:03:30,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:30,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:03:30,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:30,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:03:30,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:30,774 INFO L87 Difference]: Start difference. First operand 113550 states and 700431 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:03:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:35,583 INFO L93 Difference]: Finished difference Result 318890 states and 1855649 transitions. [2022-01-18 04:03:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:03:35,584 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:03:35,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:38,163 INFO L225 Difference]: With dead ends: 318890 [2022-01-18 04:03:38,164 INFO L226 Difference]: Without dead ends: 308934 [2022-01-18 04:03:38,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:03:38,164 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1063 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:38,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1063 Valid, 375 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:03:38,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308934 states. [2022-01-18 04:03:45,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308934 to 114505. [2022-01-18 04:03:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114505 states, 114504 states have (on average 6.157968280584084) internal successors, (705112), 114504 states have internal predecessors, (705112), 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) [2022-01-18 04:03:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114505 states to 114505 states and 705112 transitions. [2022-01-18 04:03:46,641 INFO L78 Accepts]: Start accepts. Automaton has 114505 states and 705112 transitions. Word has length 37 [2022-01-18 04:03:46,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:46,641 INFO L470 AbstractCegarLoop]: Abstraction has 114505 states and 705112 transitions. [2022-01-18 04:03:46,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:03:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 114505 states and 705112 transitions. [2022-01-18 04:03:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:03:47,084 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:47,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:47,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 04:03:47,085 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:03:47,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:47,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1553710084, now seen corresponding path program 6 times [2022-01-18 04:03:47,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:47,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531974627] [2022-01-18 04:03:47,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:47,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:47,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:47,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531974627] [2022-01-18 04:03:47,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531974627] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:47,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:47,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:03:47,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301742158] [2022-01-18 04:03:47,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:47,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:03:47,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:47,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:03:47,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:47,390 INFO L87 Difference]: Start difference. First operand 114505 states and 705112 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:03:52,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:52,338 INFO L93 Difference]: Finished difference Result 317488 states and 1846612 transitions. [2022-01-18 04:03:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:03:52,338 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:03:52,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:54,967 INFO L225 Difference]: With dead ends: 317488 [2022-01-18 04:03:54,968 INFO L226 Difference]: Without dead ends: 307514 [2022-01-18 04:03:54,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:03:54,968 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 1180 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:54,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1180 Valid, 355 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 04:03:55,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307514 states. [2022-01-18 04:04:03,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307514 to 113085. [2022-01-18 04:04:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113085 states, 113084 states have (on average 6.1751883555587) internal successors, (698315), 113084 states have internal predecessors, (698315), 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) [2022-01-18 04:04:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113085 states to 113085 states and 698315 transitions. [2022-01-18 04:04:04,591 INFO L78 Accepts]: Start accepts. Automaton has 113085 states and 698315 transitions. Word has length 37 [2022-01-18 04:04:04,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:04,591 INFO L470 AbstractCegarLoop]: Abstraction has 113085 states and 698315 transitions. [2022-01-18 04:04:04,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:04:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 113085 states and 698315 transitions. [2022-01-18 04:04:05,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:04:05,691 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:05,692 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:05,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 04:04:05,692 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:04:05,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:05,692 INFO L85 PathProgramCache]: Analyzing trace with hash 432315782, now seen corresponding path program 7 times [2022-01-18 04:04:05,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:05,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275124608] [2022-01-18 04:04:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:05,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:06,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:06,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275124608] [2022-01-18 04:04:06,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275124608] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:06,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:06,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:04:06,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802397696] [2022-01-18 04:04:06,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:06,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:04:06,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:06,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:04:06,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:06,097 INFO L87 Difference]: Start difference. First operand 113085 states and 698315 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:04:11,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:11,119 INFO L93 Difference]: Finished difference Result 318192 states and 1851714 transitions. [2022-01-18 04:04:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:04:11,119 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:04:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:13,750 INFO L225 Difference]: With dead ends: 318192 [2022-01-18 04:04:13,750 INFO L226 Difference]: Without dead ends: 309382 [2022-01-18 04:04:13,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:04:13,751 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 1202 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:13,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1202 Valid, 364 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 04:04:14,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309382 states. [2022-01-18 04:04:20,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309382 to 114697. [2022-01-18 04:04:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114697 states, 114696 states have (on average 6.160380484062217) internal successors, (706571), 114696 states have internal predecessors, (706571), 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) [2022-01-18 04:04:22,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114697 states to 114697 states and 706571 transitions. [2022-01-18 04:04:22,098 INFO L78 Accepts]: Start accepts. Automaton has 114697 states and 706571 transitions. Word has length 37 [2022-01-18 04:04:22,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:22,099 INFO L470 AbstractCegarLoop]: Abstraction has 114697 states and 706571 transitions. [2022-01-18 04:04:22,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:04:22,099 INFO L276 IsEmpty]: Start isEmpty. Operand 114697 states and 706571 transitions. [2022-01-18 04:04:22,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:04:22,473 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:22,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:22,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 04:04:22,473 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:04:22,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:22,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2096441042, now seen corresponding path program 8 times [2022-01-18 04:04:22,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:22,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111762798] [2022-01-18 04:04:22,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:22,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:23,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:23,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111762798] [2022-01-18 04:04:23,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111762798] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:23,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:23,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:04:23,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361339061] [2022-01-18 04:04:23,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:23,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:04:23,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:23,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:04:23,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:23,357 INFO L87 Difference]: Start difference. First operand 114697 states and 706571 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:04:28,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:28,178 INFO L93 Difference]: Finished difference Result 319338 states and 1857433 transitions. [2022-01-18 04:04:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:04:28,178 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:04:28,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:30,184 INFO L225 Difference]: With dead ends: 319338 [2022-01-18 04:04:30,184 INFO L226 Difference]: Without dead ends: 308171 [2022-01-18 04:04:30,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:04:30,185 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 1010 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:30,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1010 Valid, 405 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 04:04:31,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308171 states. [2022-01-18 04:04:38,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308171 to 113486. [2022-01-18 04:04:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113486 states, 113485 states have (on average 6.171185619244834) internal successors, (700337), 113485 states have internal predecessors, (700337), 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) [2022-01-18 04:04:40,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113486 states to 113486 states and 700337 transitions. [2022-01-18 04:04:40,615 INFO L78 Accepts]: Start accepts. Automaton has 113486 states and 700337 transitions. Word has length 37 [2022-01-18 04:04:40,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:40,615 INFO L470 AbstractCegarLoop]: Abstraction has 113486 states and 700337 transitions. [2022-01-18 04:04:40,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:04:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 113486 states and 700337 transitions. [2022-01-18 04:04:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:04:41,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:41,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:41,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 04:04:41,086 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:04:41,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash 811272062, now seen corresponding path program 1 times [2022-01-18 04:04:41,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:41,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692279565] [2022-01-18 04:04:41,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:41,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:41,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:41,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692279565] [2022-01-18 04:04:41,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692279565] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:41,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:41,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:04:41,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985871692] [2022-01-18 04:04:41,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:41,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:04:41,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:41,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:04:41,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:04:41,107 INFO L87 Difference]: Start difference. First operand 113486 states and 700337 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:04:42,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:42,699 INFO L93 Difference]: Finished difference Result 82510 states and 506128 transitions. [2022-01-18 04:04:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:04:42,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) Word has length 37 [2022-01-18 04:04:42,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:43,204 INFO L225 Difference]: With dead ends: 82510 [2022-01-18 04:04:43,204 INFO L226 Difference]: Without dead ends: 82510 [2022-01-18 04:04:43,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:04:43,205 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 69 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:43,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 43 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 04:04:43,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82510 states. [2022-01-18 04:04:46,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82510 to 82510. [2022-01-18 04:04:46,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82510 states, 82509 states have (on average 6.134215661321795) internal successors, (506128), 82509 states have internal predecessors, (506128), 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) [2022-01-18 04:04:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82510 states to 82510 states and 506128 transitions. [2022-01-18 04:04:47,173 INFO L78 Accepts]: Start accepts. Automaton has 82510 states and 506128 transitions. Word has length 37 [2022-01-18 04:04:47,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:47,173 INFO L470 AbstractCegarLoop]: Abstraction has 82510 states and 506128 transitions. [2022-01-18 04:04:47,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:04:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 82510 states and 506128 transitions. [2022-01-18 04:04:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:04:47,441 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:47,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:47,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 04:04:47,441 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:04:47,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:47,441 INFO L85 PathProgramCache]: Analyzing trace with hash 816643430, now seen corresponding path program 9 times [2022-01-18 04:04:47,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:47,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958773380] [2022-01-18 04:04:47,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:47,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:47,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:47,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958773380] [2022-01-18 04:04:47,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958773380] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:47,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:47,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:04:47,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067742671] [2022-01-18 04:04:47,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:47,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:04:47,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:47,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:04:47,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:47,736 INFO L87 Difference]: Start difference. First operand 82510 states and 506128 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:04:51,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:51,164 INFO L93 Difference]: Finished difference Result 219894 states and 1270463 transitions. [2022-01-18 04:04:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:04:51,165 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:04:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:53,009 INFO L225 Difference]: With dead ends: 219894 [2022-01-18 04:04:53,010 INFO L226 Difference]: Without dead ends: 214676 [2022-01-18 04:04:53,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:04:53,010 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 947 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:53,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [947 Valid, 405 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 04:04:53,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214676 states. [2022-01-18 04:04:57,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214676 to 82954. [2022-01-18 04:04:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82954 states, 82953 states have (on average 6.126360710281726) internal successors, (508200), 82953 states have internal predecessors, (508200), 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) [2022-01-18 04:04:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82954 states to 82954 states and 508200 transitions. [2022-01-18 04:04:58,552 INFO L78 Accepts]: Start accepts. Automaton has 82954 states and 508200 transitions. Word has length 37 [2022-01-18 04:04:58,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:58,552 INFO L470 AbstractCegarLoop]: Abstraction has 82954 states and 508200 transitions. [2022-01-18 04:04:58,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:04:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 82954 states and 508200 transitions. [2022-01-18 04:04:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:04:58,802 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:58,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:58,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 04:04:58,802 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:04:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:58,803 INFO L85 PathProgramCache]: Analyzing trace with hash 624551312, now seen corresponding path program 10 times [2022-01-18 04:04:58,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:58,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473253017] [2022-01-18 04:04:58,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:58,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:59,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:59,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473253017] [2022-01-18 04:04:59,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473253017] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:59,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:59,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:04:59,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953500758] [2022-01-18 04:04:59,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:59,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:04:59,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:59,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:04:59,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:59,085 INFO L87 Difference]: Start difference. First operand 82954 states and 508200 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:02,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:02,628 INFO L93 Difference]: Finished difference Result 219638 states and 1268739 transitions. [2022-01-18 04:05:02,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:05:02,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:05:02,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:04,449 INFO L225 Difference]: With dead ends: 219638 [2022-01-18 04:05:04,450 INFO L226 Difference]: Without dead ends: 214232 [2022-01-18 04:05:04,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:05:04,450 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 979 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:04,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 373 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:05:04,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214232 states. [2022-01-18 04:05:09,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214232 to 82510. [2022-01-18 04:05:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82510 states, 82509 states have (on average 6.131525045752585) internal successors, (505906), 82509 states have internal predecessors, (505906), 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) [2022-01-18 04:05:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82510 states to 82510 states and 505906 transitions. [2022-01-18 04:05:10,010 INFO L78 Accepts]: Start accepts. Automaton has 82510 states and 505906 transitions. Word has length 37 [2022-01-18 04:05:10,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:10,011 INFO L470 AbstractCegarLoop]: Abstraction has 82510 states and 505906 transitions. [2022-01-18 04:05:10,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 82510 states and 505906 transitions. [2022-01-18 04:05:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:05:10,873 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:10,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:10,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 04:05:10,873 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:05:10,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1406825906, now seen corresponding path program 11 times [2022-01-18 04:05:10,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:10,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069567864] [2022-01-18 04:05:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:10,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:11,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:11,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069567864] [2022-01-18 04:05:11,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069567864] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:11,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:11,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:05:11,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237041797] [2022-01-18 04:05:11,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:11,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:05:11,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:11,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:05:11,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:11,281 INFO L87 Difference]: Start difference. First operand 82510 states and 505906 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:15,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:15,196 INFO L93 Difference]: Finished difference Result 221145 states and 1277473 transitions. [2022-01-18 04:05:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:05:15,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:05:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:16,822 INFO L225 Difference]: With dead ends: 221145 [2022-01-18 04:05:16,823 INFO L226 Difference]: Without dead ends: 215353 [2022-01-18 04:05:16,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:05:16,823 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1012 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:16,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 430 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 04:05:17,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215353 states. [2022-01-18 04:05:22,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215353 to 83057. [2022-01-18 04:05:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83057 states, 83056 states have (on average 6.122700346753997) internal successors, (508527), 83056 states have internal predecessors, (508527), 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) [2022-01-18 04:05:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83057 states to 83057 states and 508527 transitions. [2022-01-18 04:05:23,178 INFO L78 Accepts]: Start accepts. Automaton has 83057 states and 508527 transitions. Word has length 37 [2022-01-18 04:05:23,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:23,178 INFO L470 AbstractCegarLoop]: Abstraction has 83057 states and 508527 transitions. [2022-01-18 04:05:23,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:23,178 INFO L276 IsEmpty]: Start isEmpty. Operand 83057 states and 508527 transitions. [2022-01-18 04:05:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:05:23,498 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:23,498 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:23,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 04:05:23,498 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:05:23,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:23,499 INFO L85 PathProgramCache]: Analyzing trace with hash 55307908, now seen corresponding path program 12 times [2022-01-18 04:05:23,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:23,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660545079] [2022-01-18 04:05:23,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:23,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:23,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:23,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660545079] [2022-01-18 04:05:23,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660545079] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:23,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:23,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:05:23,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515503691] [2022-01-18 04:05:23,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:23,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:05:23,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:23,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:05:23,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:23,783 INFO L87 Difference]: Start difference. First operand 83057 states and 508527 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:27,353 INFO L93 Difference]: Finished difference Result 220315 states and 1272356 transitions. [2022-01-18 04:05:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:05:27,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:05:27,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:29,186 INFO L225 Difference]: With dead ends: 220315 [2022-01-18 04:05:29,186 INFO L226 Difference]: Without dead ends: 214520 [2022-01-18 04:05:29,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:05:29,187 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 1190 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:29,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1190 Valid, 401 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:05:29,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214520 states. [2022-01-18 04:05:33,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214520 to 82224. [2022-01-18 04:05:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82224 states, 82223 states have (on average 6.136750057769723) internal successors, (504582), 82223 states have internal predecessors, (504582), 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) [2022-01-18 04:05:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82224 states to 82224 states and 504582 transitions. [2022-01-18 04:05:34,649 INFO L78 Accepts]: Start accepts. Automaton has 82224 states and 504582 transitions. Word has length 37 [2022-01-18 04:05:34,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:34,649 INFO L470 AbstractCegarLoop]: Abstraction has 82224 states and 504582 transitions. [2022-01-18 04:05:34,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 82224 states and 504582 transitions. [2022-01-18 04:05:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:05:34,919 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:34,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:34,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 04:05:34,919 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:05:34,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:34,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1060404966, now seen corresponding path program 13 times [2022-01-18 04:05:34,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:34,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668414166] [2022-01-18 04:05:34,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:34,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:35,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:35,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668414166] [2022-01-18 04:05:35,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668414166] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:35,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:35,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:05:35,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770277160] [2022-01-18 04:05:35,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:35,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:05:35,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:35,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:05:35,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:35,209 INFO L87 Difference]: Start difference. First operand 82224 states and 504582 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:38,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:38,580 INFO L93 Difference]: Finished difference Result 220732 states and 1275543 transitions. [2022-01-18 04:05:38,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:05:38,587 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:05:38,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:40,412 INFO L225 Difference]: With dead ends: 220732 [2022-01-18 04:05:40,412 INFO L226 Difference]: Without dead ends: 215514 [2022-01-18 04:05:40,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:05:40,413 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1000 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:40,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1000 Valid, 369 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-18 04:05:40,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215514 states. [2022-01-18 04:05:45,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215514 to 83120. [2022-01-18 04:05:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83120 states, 83119 states have (on average 6.125506803498598) internal successors, (509146), 83119 states have internal predecessors, (509146), 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) [2022-01-18 04:05:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83120 states to 83120 states and 509146 transitions. [2022-01-18 04:05:46,123 INFO L78 Accepts]: Start accepts. Automaton has 83120 states and 509146 transitions. Word has length 37 [2022-01-18 04:05:46,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:46,123 INFO L470 AbstractCegarLoop]: Abstraction has 83120 states and 509146 transitions. [2022-01-18 04:05:46,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 83120 states and 509146 transitions. [2022-01-18 04:05:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:05:46,384 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:46,384 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:46,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 04:05:46,384 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:05:46,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:46,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1925641838, now seen corresponding path program 14 times [2022-01-18 04:05:46,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:46,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580372193] [2022-01-18 04:05:46,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:46,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:46,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580372193] [2022-01-18 04:05:46,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580372193] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:46,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:46,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:05:46,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026454800] [2022-01-18 04:05:46,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:46,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:05:46,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:46,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:05:46,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:46,678 INFO L87 Difference]: Start difference. First operand 83120 states and 509146 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:50,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:50,140 INFO L93 Difference]: Finished difference Result 221292 states and 1278117 transitions. [2022-01-18 04:05:50,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:05:50,141 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:05:50,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:51,986 INFO L225 Difference]: With dead ends: 221292 [2022-01-18 04:05:51,986 INFO L226 Difference]: Without dead ends: 214840 [2022-01-18 04:05:51,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:05:51,986 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 960 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:51,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 385 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:05:52,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214840 states. [2022-01-18 04:05:57,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214840 to 82446. [2022-01-18 04:05:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82446 states, 82445 states have (on average 6.1341379101219) internal successors, (505729), 82445 states have internal predecessors, (505729), 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) [2022-01-18 04:05:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82446 states to 82446 states and 505729 transitions. [2022-01-18 04:05:57,790 INFO L78 Accepts]: Start accepts. Automaton has 82446 states and 505729 transitions. Word has length 37 [2022-01-18 04:05:57,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:57,790 INFO L470 AbstractCegarLoop]: Abstraction has 82446 states and 505729 transitions. [2022-01-18 04:05:57,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:05:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 82446 states and 505729 transitions. [2022-01-18 04:05:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:05:58,637 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:58,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:58,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 04:05:58,637 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:05:58,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:58,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1544419590, now seen corresponding path program 15 times [2022-01-18 04:05:58,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:58,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396909336] [2022-01-18 04:05:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:58,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:58,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:58,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396909336] [2022-01-18 04:05:58,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396909336] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:58,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:58,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:05:58,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797098577] [2022-01-18 04:05:58,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:58,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:05:58,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:58,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:05:58,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:58,928 INFO L87 Difference]: Start difference. First operand 82446 states and 505729 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:02,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:02,704 INFO L93 Difference]: Finished difference Result 219686 states and 1269440 transitions. [2022-01-18 04:06:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:06:02,705 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:06:02,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:05,202 INFO L225 Difference]: With dead ends: 219686 [2022-01-18 04:06:05,202 INFO L226 Difference]: Without dead ends: 214468 [2022-01-18 04:06:05,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:06:05,202 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 979 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:05,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 419 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:06:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214468 states. [2022-01-18 04:06:10,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214468 to 82890. [2022-01-18 04:06:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82890 states, 82889 states have (on average 6.126277310620227) internal successors, (507801), 82889 states have internal predecessors, (507801), 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) [2022-01-18 04:06:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82890 states to 82890 states and 507801 transitions. [2022-01-18 04:06:11,690 INFO L78 Accepts]: Start accepts. Automaton has 82890 states and 507801 transitions. Word has length 37 [2022-01-18 04:06:11,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:11,690 INFO L470 AbstractCegarLoop]: Abstraction has 82890 states and 507801 transitions. [2022-01-18 04:06:11,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 82890 states and 507801 transitions. [2022-01-18 04:06:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:06:12,049 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:12,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:12,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 04:06:12,049 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:06:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1705613938, now seen corresponding path program 16 times [2022-01-18 04:06:12,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:12,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50964569] [2022-01-18 04:06:12,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:12,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:12,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:12,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50964569] [2022-01-18 04:06:12,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50964569] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:12,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:12,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:06:12,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651651226] [2022-01-18 04:06:12,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:12,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:06:12,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:12,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:06:12,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:12,333 INFO L87 Difference]: Start difference. First operand 82890 states and 507801 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:16,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:16,081 INFO L93 Difference]: Finished difference Result 219430 states and 1267716 transitions. [2022-01-18 04:06:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:06:16,081 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:06:16,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:17,948 INFO L225 Difference]: With dead ends: 219430 [2022-01-18 04:06:17,948 INFO L226 Difference]: Without dead ends: 214024 [2022-01-18 04:06:17,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:06:17,949 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 984 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:17,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [984 Valid, 497 Invalid, 1659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:06:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214024 states. [2022-01-18 04:06:22,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214024 to 82446. [2022-01-18 04:06:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82446 states, 82445 states have (on average 6.131445205894839) internal successors, (505507), 82445 states have internal predecessors, (505507), 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) [2022-01-18 04:06:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82446 states to 82446 states and 505507 transitions. [2022-01-18 04:06:23,542 INFO L78 Accepts]: Start accepts. Automaton has 82446 states and 505507 transitions. Word has length 37 [2022-01-18 04:06:23,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:23,542 INFO L470 AbstractCegarLoop]: Abstraction has 82446 states and 505507 transitions. [2022-01-18 04:06:23,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 82446 states and 505507 transitions. [2022-01-18 04:06:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:06:23,820 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:23,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:23,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 04:06:23,820 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:06:23,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:23,821 INFO L85 PathProgramCache]: Analyzing trace with hash -2046730608, now seen corresponding path program 17 times [2022-01-18 04:06:23,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:23,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106557469] [2022-01-18 04:06:23,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:23,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:24,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:24,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106557469] [2022-01-18 04:06:24,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106557469] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:24,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:24,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:06:24,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769722708] [2022-01-18 04:06:24,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:24,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:06:24,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:24,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:06:24,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:24,090 INFO L87 Difference]: Start difference. First operand 82446 states and 505507 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:27,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:27,664 INFO L93 Difference]: Finished difference Result 220908 states and 1276363 transitions. [2022-01-18 04:06:27,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:06:27,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:06:27,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:29,566 INFO L225 Difference]: With dead ends: 220908 [2022-01-18 04:06:29,566 INFO L226 Difference]: Without dead ends: 215130 [2022-01-18 04:06:29,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:06:29,567 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1085 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:29,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1085 Valid, 372 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:06:30,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215130 states. [2022-01-18 04:06:34,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215130 to 82992. [2022-01-18 04:06:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82992 states, 82991 states have (on average 6.122663903314817) internal successors, (508126), 82991 states have internal predecessors, (508126), 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) [2022-01-18 04:06:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82992 states to 82992 states and 508126 transitions. [2022-01-18 04:06:35,166 INFO L78 Accepts]: Start accepts. Automaton has 82992 states and 508126 transitions. Word has length 37 [2022-01-18 04:06:35,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:35,166 INFO L470 AbstractCegarLoop]: Abstraction has 82992 states and 508126 transitions. [2022-01-18 04:06:35,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 82992 states and 508126 transitions. [2022-01-18 04:06:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:06:35,418 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:35,418 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:35,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 04:06:35,418 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:06:35,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:35,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2098603100, now seen corresponding path program 18 times [2022-01-18 04:06:35,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:35,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983608040] [2022-01-18 04:06:35,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:35,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:35,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:35,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983608040] [2022-01-18 04:06:35,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983608040] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:35,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:35,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:06:35,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902355421] [2022-01-18 04:06:35,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:35,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:06:35,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:35,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:06:35,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:35,688 INFO L87 Difference]: Start difference. First operand 82992 states and 508126 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:39,276 INFO L93 Difference]: Finished difference Result 220092 states and 1271289 transitions. [2022-01-18 04:06:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:06:39,276 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:06:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:41,080 INFO L225 Difference]: With dead ends: 220092 [2022-01-18 04:06:41,080 INFO L226 Difference]: Without dead ends: 214362 [2022-01-18 04:06:41,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:06:41,080 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 866 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:41,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [866 Valid, 397 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:06:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214362 states. [2022-01-18 04:06:46,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214362 to 82224. [2022-01-18 04:06:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82224 states, 82223 states have (on average 6.135400070539873) internal successors, (504471), 82223 states have internal predecessors, (504471), 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) [2022-01-18 04:06:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82224 states to 82224 states and 504471 transitions. [2022-01-18 04:06:46,980 INFO L78 Accepts]: Start accepts. Automaton has 82224 states and 504471 transitions. Word has length 37 [2022-01-18 04:06:46,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:46,981 INFO L470 AbstractCegarLoop]: Abstraction has 82224 states and 504471 transitions. [2022-01-18 04:06:46,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 82224 states and 504471 transitions. [2022-01-18 04:06:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:06:47,871 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:47,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:47,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 04:06:47,872 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:06:47,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:47,872 INFO L85 PathProgramCache]: Analyzing trace with hash 362716850, now seen corresponding path program 19 times [2022-01-18 04:06:47,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:47,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078669212] [2022-01-18 04:06:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:47,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:48,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:48,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078669212] [2022-01-18 04:06:48,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078669212] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:48,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:48,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:06:48,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82850793] [2022-01-18 04:06:48,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:48,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:06:48,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:48,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:06:48,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:48,219 INFO L87 Difference]: Start difference. First operand 82224 states and 504471 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:06:51,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:51,931 INFO L93 Difference]: Finished difference Result 223170 states and 1289838 transitions. [2022-01-18 04:06:51,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:06:51,931 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:06:51,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:54,450 INFO L225 Difference]: With dead ends: 223170 [2022-01-18 04:06:54,450 INFO L226 Difference]: Without dead ends: 217378 [2022-01-18 04:06:54,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:06:54,450 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1249 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:54,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1249 Valid, 377 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:06:55,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217378 states. [2022-01-18 04:06:59,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217378 to 83452. [2022-01-18 04:06:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83452 states, 83451 states have (on average 6.121808007093983) internal successors, (510871), 83451 states have internal predecessors, (510871), 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) [2022-01-18 04:07:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83452 states to 83452 states and 510871 transitions. [2022-01-18 04:07:00,679 INFO L78 Accepts]: Start accepts. Automaton has 83452 states and 510871 transitions. Word has length 37 [2022-01-18 04:07:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:00,679 INFO L470 AbstractCegarLoop]: Abstraction has 83452 states and 510871 transitions. [2022-01-18 04:07:00,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 83452 states and 510871 transitions. [2022-01-18 04:07:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:07:01,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:01,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:01,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 04:07:01,009 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:07:01,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:01,009 INFO L85 PathProgramCache]: Analyzing trace with hash -719149930, now seen corresponding path program 20 times [2022-01-18 04:07:01,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:01,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431811782] [2022-01-18 04:07:01,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:01,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:01,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:01,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431811782] [2022-01-18 04:07:01,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431811782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:01,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:01,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:07:01,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584745121] [2022-01-18 04:07:01,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:01,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:07:01,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:01,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:07:01,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:01,300 INFO L87 Difference]: Start difference. First operand 83452 states and 510871 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:05,068 INFO L93 Difference]: Finished difference Result 223156 states and 1288841 transitions. [2022-01-18 04:07:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:07:05,069 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:07:05,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:06,967 INFO L225 Difference]: With dead ends: 223156 [2022-01-18 04:07:06,967 INFO L226 Difference]: Without dead ends: 216423 [2022-01-18 04:07:06,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:07:06,968 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 850 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:06,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 421 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:07:07,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216423 states. [2022-01-18 04:07:11,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216423 to 82497. [2022-01-18 04:07:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82497 states, 82496 states have (on average 6.132624612102405) internal successors, (505917), 82496 states have internal predecessors, (505917), 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) [2022-01-18 04:07:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82497 states to 82497 states and 505917 transitions. [2022-01-18 04:07:12,613 INFO L78 Accepts]: Start accepts. Automaton has 82497 states and 505917 transitions. Word has length 37 [2022-01-18 04:07:12,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:12,613 INFO L470 AbstractCegarLoop]: Abstraction has 82497 states and 505917 transitions. [2022-01-18 04:07:12,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 82497 states and 505917 transitions. [2022-01-18 04:07:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:07:12,867 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:12,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:12,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 04:07:12,867 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:07:12,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:12,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2052859590, now seen corresponding path program 21 times [2022-01-18 04:07:12,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:12,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143965352] [2022-01-18 04:07:12,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:12,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:13,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:13,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143965352] [2022-01-18 04:07:13,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143965352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:13,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:13,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:07:13,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645076786] [2022-01-18 04:07:13,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:13,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:07:13,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:13,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:07:13,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:13,129 INFO L87 Difference]: Start difference. First operand 82497 states and 505917 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:16,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:16,668 INFO L93 Difference]: Finished difference Result 221946 states and 1282569 transitions. [2022-01-18 04:07:16,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:07:16,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:07:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:18,611 INFO L225 Difference]: With dead ends: 221946 [2022-01-18 04:07:18,611 INFO L226 Difference]: Without dead ends: 216154 [2022-01-18 04:07:18,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:07:18,612 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 976 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:18,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [976 Valid, 366 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:07:19,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216154 states. [2022-01-18 04:07:23,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216154 to 83044. [2022-01-18 04:07:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83044 states, 83043 states have (on average 6.123791288850355) internal successors, (508538), 83043 states have internal predecessors, (508538), 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) [2022-01-18 04:07:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83044 states to 83044 states and 508538 transitions. [2022-01-18 04:07:24,320 INFO L78 Accepts]: Start accepts. Automaton has 83044 states and 508538 transitions. Word has length 37 [2022-01-18 04:07:24,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:24,321 INFO L470 AbstractCegarLoop]: Abstraction has 83044 states and 508538 transitions. [2022-01-18 04:07:24,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 83044 states and 508538 transitions. [2022-01-18 04:07:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:07:24,586 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:24,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:24,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 04:07:24,586 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:07:24,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:24,587 INFO L85 PathProgramCache]: Analyzing trace with hash -151500058, now seen corresponding path program 22 times [2022-01-18 04:07:24,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:24,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193109966] [2022-01-18 04:07:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:24,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:24,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:24,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193109966] [2022-01-18 04:07:24,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193109966] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:24,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:24,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:07:24,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669790851] [2022-01-18 04:07:24,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:24,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:07:24,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:24,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:07:24,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:24,858 INFO L87 Difference]: Start difference. First operand 83044 states and 508538 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:28,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:28,850 INFO L93 Difference]: Finished difference Result 221116 states and 1277452 transitions. [2022-01-18 04:07:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:07:28,851 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:07:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:30,227 INFO L225 Difference]: With dead ends: 221116 [2022-01-18 04:07:30,228 INFO L226 Difference]: Without dead ends: 215607 [2022-01-18 04:07:30,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:07:30,228 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 989 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:30,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [989 Valid, 376 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-18 04:07:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215607 states. [2022-01-18 04:07:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215607 to 82497. [2022-01-18 04:07:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82497 states, 82496 states have (on average 6.129315360744763) internal successors, (505644), 82496 states have internal predecessors, (505644), 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) [2022-01-18 04:07:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82497 states to 82497 states and 505644 transitions. [2022-01-18 04:07:36,792 INFO L78 Accepts]: Start accepts. Automaton has 82497 states and 505644 transitions. Word has length 37 [2022-01-18 04:07:36,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:36,792 INFO L470 AbstractCegarLoop]: Abstraction has 82497 states and 505644 transitions. [2022-01-18 04:07:36,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:36,792 INFO L276 IsEmpty]: Start isEmpty. Operand 82497 states and 505644 transitions. [2022-01-18 04:07:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:07:37,097 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:37,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:37,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 04:07:37,097 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:07:37,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:37,097 INFO L85 PathProgramCache]: Analyzing trace with hash 549099878, now seen corresponding path program 23 times [2022-01-18 04:07:37,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:37,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794280695] [2022-01-18 04:07:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:37,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:37,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:37,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794280695] [2022-01-18 04:07:37,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794280695] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:37,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:37,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:07:37,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896759779] [2022-01-18 04:07:37,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:37,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:07:37,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:37,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:07:37,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:37,371 INFO L87 Difference]: Start difference. First operand 82497 states and 505644 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:41,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:41,226 INFO L93 Difference]: Finished difference Result 221917 states and 1282209 transitions. [2022-01-18 04:07:41,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:07:41,226 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:07:41,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:44,203 INFO L225 Difference]: With dead ends: 221917 [2022-01-18 04:07:44,203 INFO L226 Difference]: Without dead ends: 216139 [2022-01-18 04:07:44,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:07:44,203 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 799 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:44,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [799 Valid, 444 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-18 04:07:44,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216139 states. [2022-01-18 04:07:48,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216139 to 83043. [2022-01-18 04:07:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83043 states, 83042 states have (on average 6.120553454878254) internal successors, (508263), 83042 states have internal predecessors, (508263), 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) [2022-01-18 04:07:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83043 states to 83043 states and 508263 transitions. [2022-01-18 04:07:49,850 INFO L78 Accepts]: Start accepts. Automaton has 83043 states and 508263 transitions. Word has length 37 [2022-01-18 04:07:49,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:49,850 INFO L470 AbstractCegarLoop]: Abstraction has 83043 states and 508263 transitions. [2022-01-18 04:07:49,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 83043 states and 508263 transitions. [2022-01-18 04:07:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:07:50,136 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:50,136 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:50,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 04:07:50,136 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:07:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1058947374, now seen corresponding path program 24 times [2022-01-18 04:07:50,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:50,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809099665] [2022-01-18 04:07:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:50,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:50,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:50,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:50,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809099665] [2022-01-18 04:07:50,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809099665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:50,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:50,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:07:50,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398039366] [2022-01-18 04:07:50,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:50,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:07:50,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:50,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:07:50,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:50,405 INFO L87 Difference]: Start difference. First operand 83043 states and 508263 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:07:54,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:54,206 INFO L93 Difference]: Finished difference Result 221101 states and 1277135 transitions. [2022-01-18 04:07:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:07:54,206 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:07:54,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:56,163 INFO L225 Difference]: With dead ends: 221101 [2022-01-18 04:07:56,163 INFO L226 Difference]: Without dead ends: 215113 [2022-01-18 04:07:56,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:07:56,164 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 802 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:56,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [802 Valid, 432 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:07:56,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215113 states. [2022-01-18 04:08:01,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215113 to 82017. [2022-01-18 04:08:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82017 states, 82016 states have (on average 6.140570132657042) internal successors, (503625), 82016 states have internal predecessors, (503625), 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) [2022-01-18 04:08:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82017 states to 82017 states and 503625 transitions. [2022-01-18 04:08:02,169 INFO L78 Accepts]: Start accepts. Automaton has 82017 states and 503625 transitions. Word has length 37 [2022-01-18 04:08:02,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:02,169 INFO L470 AbstractCegarLoop]: Abstraction has 82017 states and 503625 transitions. [2022-01-18 04:08:02,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 82017 states and 503625 transitions. [2022-01-18 04:08:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:08:02,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:02,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:02,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 04:08:02,441 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:08:02,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:02,441 INFO L85 PathProgramCache]: Analyzing trace with hash 369239868, now seen corresponding path program 25 times [2022-01-18 04:08:02,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:02,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306156615] [2022-01-18 04:08:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:02,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:02,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:02,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306156615] [2022-01-18 04:08:02,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306156615] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:02,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:02,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:08:02,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647260007] [2022-01-18 04:08:02,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:02,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:08:02,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:02,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:08:02,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:02,723 INFO L87 Difference]: Start difference. First operand 82017 states and 503625 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:06,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:06,264 INFO L93 Difference]: Finished difference Result 224664 states and 1298820 transitions. [2022-01-18 04:08:06,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:08:06,264 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:08:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:08,177 INFO L225 Difference]: With dead ends: 224664 [2022-01-18 04:08:08,177 INFO L226 Difference]: Without dead ends: 219446 [2022-01-18 04:08:08,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:08:08,178 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 994 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:08,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [994 Valid, 376 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:08:08,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219446 states. [2022-01-18 04:08:13,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219446 to 83512. [2022-01-18 04:08:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83512 states, 83511 states have (on average 6.124977547867945) internal successors, (511503), 83511 states have internal predecessors, (511503), 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) [2022-01-18 04:08:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83512 states to 83512 states and 511503 transitions. [2022-01-18 04:08:14,033 INFO L78 Accepts]: Start accepts. Automaton has 83512 states and 511503 transitions. Word has length 37 [2022-01-18 04:08:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:14,033 INFO L470 AbstractCegarLoop]: Abstraction has 83512 states and 511503 transitions. [2022-01-18 04:08:14,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 83512 states and 511503 transitions. [2022-01-18 04:08:14,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:08:14,942 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:14,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:14,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 04:08:14,943 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:08:14,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:14,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2033365128, now seen corresponding path program 26 times [2022-01-18 04:08:14,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:14,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831512851] [2022-01-18 04:08:14,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:14,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:15,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:15,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831512851] [2022-01-18 04:08:15,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831512851] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:15,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:15,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:08:15,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919308930] [2022-01-18 04:08:15,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:15,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:08:15,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:15,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:08:15,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:15,230 INFO L87 Difference]: Start difference. First operand 83512 states and 511503 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:18,762 INFO L93 Difference]: Finished difference Result 225238 states and 1301435 transitions. [2022-01-18 04:08:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:08:18,762 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:08:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:20,172 INFO L225 Difference]: With dead ends: 225238 [2022-01-18 04:08:20,172 INFO L226 Difference]: Without dead ends: 218643 [2022-01-18 04:08:20,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:08:20,173 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 916 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:20,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [916 Valid, 449 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-18 04:08:21,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218643 states. [2022-01-18 04:08:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218643 to 82709. [2022-01-18 04:08:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82709 states, 82708 states have (on average 6.133977366155632) internal successors, (507329), 82708 states have internal predecessors, (507329), 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) [2022-01-18 04:08:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82709 states to 82709 states and 507329 transitions. [2022-01-18 04:08:26,671 INFO L78 Accepts]: Start accepts. Automaton has 82709 states and 507329 transitions. Word has length 37 [2022-01-18 04:08:26,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:26,671 INFO L470 AbstractCegarLoop]: Abstraction has 82709 states and 507329 transitions. [2022-01-18 04:08:26,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 82709 states and 507329 transitions. [2022-01-18 04:08:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:08:26,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:26,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:26,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 04:08:26,963 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:08:26,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:26,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1191108056, now seen corresponding path program 27 times [2022-01-18 04:08:26,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:26,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808671360] [2022-01-18 04:08:26,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:26,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:27,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:27,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808671360] [2022-01-18 04:08:27,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808671360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:27,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:27,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:08:27,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114988450] [2022-01-18 04:08:27,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:27,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:08:27,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:27,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:08:27,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:27,221 INFO L87 Difference]: Start difference. First operand 82709 states and 507329 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:31,247 INFO L93 Difference]: Finished difference Result 224521 states and 1297798 transitions. [2022-01-18 04:08:31,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:08:31,247 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:08:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:34,148 INFO L225 Difference]: With dead ends: 224521 [2022-01-18 04:08:34,148 INFO L226 Difference]: Without dead ends: 219303 [2022-01-18 04:08:34,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:08:34,148 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 1301 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:34,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1301 Valid, 327 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:08:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219303 states. [2022-01-18 04:08:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219303 to 83383. [2022-01-18 04:08:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83383 states, 83382 states have (on average 6.122712335995779) internal successors, (510524), 83382 states have internal predecessors, (510524), 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) [2022-01-18 04:08:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83383 states to 83383 states and 510524 transitions. [2022-01-18 04:08:39,914 INFO L78 Accepts]: Start accepts. Automaton has 83383 states and 510524 transitions. Word has length 37 [2022-01-18 04:08:39,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:39,915 INFO L470 AbstractCegarLoop]: Abstraction has 83383 states and 510524 transitions. [2022-01-18 04:08:39,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 83383 states and 510524 transitions. [2022-01-18 04:08:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:08:40,211 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:40,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:40,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 04:08:40,211 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:08:40,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:40,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2056344928, now seen corresponding path program 28 times [2022-01-18 04:08:40,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:40,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426238190] [2022-01-18 04:08:40,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:40,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:40,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:40,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426238190] [2022-01-18 04:08:40,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426238190] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:40,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:40,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:08:40,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336040100] [2022-01-18 04:08:40,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:40,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:08:40,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:08:40,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:40,483 INFO L87 Difference]: Start difference. First operand 83383 states and 510524 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:44,173 INFO L93 Difference]: Finished difference Result 225081 states and 1300372 transitions. [2022-01-18 04:08:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:08:44,173 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:08:44,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:46,173 INFO L225 Difference]: With dead ends: 225081 [2022-01-18 04:08:46,173 INFO L226 Difference]: Without dead ends: 218629 [2022-01-18 04:08:46,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:08:46,174 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 1000 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:46,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1000 Valid, 413 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:08:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218629 states. [2022-01-18 04:08:51,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218629 to 82709. [2022-01-18 04:08:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82709 states, 82708 states have (on average 6.129902790540214) internal successors, (506992), 82708 states have internal predecessors, (506992), 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) [2022-01-18 04:08:52,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82709 states to 82709 states and 506992 transitions. [2022-01-18 04:08:52,030 INFO L78 Accepts]: Start accepts. Automaton has 82709 states and 506992 transitions. Word has length 37 [2022-01-18 04:08:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:52,031 INFO L470 AbstractCegarLoop]: Abstraction has 82709 states and 506992 transitions. [2022-01-18 04:08:52,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:52,031 INFO L276 IsEmpty]: Start isEmpty. Operand 82709 states and 506992 transitions. [2022-01-18 04:08:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:08:52,917 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:52,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:52,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 04:08:52,918 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:08:52,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:52,918 INFO L85 PathProgramCache]: Analyzing trace with hash 687198944, now seen corresponding path program 29 times [2022-01-18 04:08:52,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:52,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231653180] [2022-01-18 04:08:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:52,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:53,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:53,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231653180] [2022-01-18 04:08:53,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231653180] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:53,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:53,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:08:53,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015943593] [2022-01-18 04:08:53,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:53,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:08:53,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:53,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:08:53,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:53,194 INFO L87 Difference]: Start difference. First operand 82709 states and 506992 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:08:56,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:56,703 INFO L93 Difference]: Finished difference Result 225950 states and 1305808 transitions. [2022-01-18 04:08:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:08:56,704 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:08:56,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:58,090 INFO L225 Difference]: With dead ends: 225950 [2022-01-18 04:08:58,090 INFO L226 Difference]: Without dead ends: 220158 [2022-01-18 04:08:58,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:08:58,091 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 1032 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:58,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1032 Valid, 375 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:08:59,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220158 states. [2022-01-18 04:09:03,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220158 to 83664. [2022-01-18 04:09:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83664 states, 83663 states have (on average 6.115881572499193) internal successors, (511673), 83663 states have internal predecessors, (511673), 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) [2022-01-18 04:09:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83664 states to 83664 states and 511673 transitions. [2022-01-18 04:09:04,359 INFO L78 Accepts]: Start accepts. Automaton has 83664 states and 511673 transitions. Word has length 37 [2022-01-18 04:09:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:04,359 INFO L470 AbstractCegarLoop]: Abstraction has 83664 states and 511673 transitions. [2022-01-18 04:09:04,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 83664 states and 511673 transitions. [2022-01-18 04:09:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:09:04,644 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:04,644 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:04,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 04:09:04,644 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:09:04,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:04,644 INFO L85 PathProgramCache]: Analyzing trace with hash -394667836, now seen corresponding path program 30 times [2022-01-18 04:09:04,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:04,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053183662] [2022-01-18 04:09:04,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:04,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:04,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:04,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053183662] [2022-01-18 04:09:04,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053183662] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:04,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:04,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:09:04,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606724582] [2022-01-18 04:09:04,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:04,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:09:04,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:04,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:09:04,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:04,904 INFO L87 Difference]: Start difference. First operand 83664 states and 511673 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:08,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:08,476 INFO L93 Difference]: Finished difference Result 225936 states and 1304811 transitions. [2022-01-18 04:09:08,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:09:08,477 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:09:08,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:10,448 INFO L225 Difference]: With dead ends: 225936 [2022-01-18 04:09:10,449 INFO L226 Difference]: Without dead ends: 218738 [2022-01-18 04:09:10,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:09:10,449 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 870 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:10,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [870 Valid, 414 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 04:09:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218738 states. [2022-01-18 04:09:15,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218738 to 82244. [2022-01-18 04:09:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82244 states, 82243 states have (on average 6.138200211568158) internal successors, (504824), 82243 states have internal predecessors, (504824), 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) [2022-01-18 04:09:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82244 states to 82244 states and 504824 transitions. [2022-01-18 04:09:16,296 INFO L78 Accepts]: Start accepts. Automaton has 82244 states and 504824 transitions. Word has length 37 [2022-01-18 04:09:16,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:16,296 INFO L470 AbstractCegarLoop]: Abstraction has 82244 states and 504824 transitions. [2022-01-18 04:09:16,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 82244 states and 504824 transitions. [2022-01-18 04:09:16,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:09:16,547 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:16,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:16,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 04:09:16,548 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:09:16,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:16,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1174017666, now seen corresponding path program 31 times [2022-01-18 04:09:16,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:16,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105234755] [2022-01-18 04:09:16,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:16,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:16,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:16,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105234755] [2022-01-18 04:09:16,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105234755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:16,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:16,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:09:16,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579204003] [2022-01-18 04:09:16,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:16,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:09:16,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:16,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:09:16,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:16,824 INFO L87 Difference]: Start difference. First operand 82244 states and 504824 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:21,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:21,098 INFO L93 Difference]: Finished difference Result 224351 states and 1297214 transitions. [2022-01-18 04:09:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:09:21,098 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:09:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:23,195 INFO L225 Difference]: With dead ends: 224351 [2022-01-18 04:09:23,196 INFO L226 Difference]: Without dead ends: 219133 [2022-01-18 04:09:23,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:09:23,196 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 1142 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:23,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 363 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-18 04:09:24,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219133 states. [2022-01-18 04:09:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219133 to 83437. [2022-01-18 04:09:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83437 states, 83436 states have (on average 6.124047173881777) internal successors, (510966), 83436 states have internal predecessors, (510966), 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) [2022-01-18 04:09:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83437 states to 83437 states and 510966 transitions. [2022-01-18 04:09:29,808 INFO L78 Accepts]: Start accepts. Automaton has 83437 states and 510966 transitions. Word has length 37 [2022-01-18 04:09:29,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:29,808 INFO L470 AbstractCegarLoop]: Abstraction has 83437 states and 510966 transitions. [2022-01-18 04:09:29,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 83437 states and 510966 transitions. [2022-01-18 04:09:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:09:30,169 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:30,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:30,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 04:09:30,169 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:09:30,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:30,170 INFO L85 PathProgramCache]: Analyzing trace with hash 490107594, now seen corresponding path program 32 times [2022-01-18 04:09:30,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:30,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069845832] [2022-01-18 04:09:30,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:30,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:30,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:30,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069845832] [2022-01-18 04:09:30,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069845832] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:30,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:30,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:09:30,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904177762] [2022-01-18 04:09:30,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:30,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:09:30,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:30,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:09:30,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:30,432 INFO L87 Difference]: Start difference. First operand 83437 states and 510966 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:34,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:34,046 INFO L93 Difference]: Finished difference Result 224925 states and 1299829 transitions. [2022-01-18 04:09:34,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:09:34,047 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:09:34,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:35,926 INFO L225 Difference]: With dead ends: 224925 [2022-01-18 04:09:35,926 INFO L226 Difference]: Without dead ends: 218330 [2022-01-18 04:09:35,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:09:35,927 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 935 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:35,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [935 Valid, 403 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:09:36,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218330 states. [2022-01-18 04:09:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218330 to 82634. [2022-01-18 04:09:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82634 states, 82633 states have (on average 6.1331792383188315) internal successors, (506803), 82633 states have internal predecessors, (506803), 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) [2022-01-18 04:09:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82634 states to 82634 states and 506803 transitions. [2022-01-18 04:09:41,608 INFO L78 Accepts]: Start accepts. Automaton has 82634 states and 506803 transitions. Word has length 37 [2022-01-18 04:09:41,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:41,608 INFO L470 AbstractCegarLoop]: Abstraction has 82634 states and 506803 transitions. [2022-01-18 04:09:41,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 82634 states and 506803 transitions. [2022-01-18 04:09:41,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:09:41,869 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:41,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:41,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 04:09:41,870 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:09:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash 342673428, now seen corresponding path program 1 times [2022-01-18 04:09:41,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:41,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435902675] [2022-01-18 04:09:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:41,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:41,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:41,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435902675] [2022-01-18 04:09:41,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435902675] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:41,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:41,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:09:41,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107259572] [2022-01-18 04:09:41,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:41,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:09:41,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:41,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:09:41,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:09:41,882 INFO L87 Difference]: Start difference. First operand 82634 states and 506803 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:09:43,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:43,017 INFO L93 Difference]: Finished difference Result 61334 states and 374034 transitions. [2022-01-18 04:09:43,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:09:43,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) Word has length 37 [2022-01-18 04:09:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:43,326 INFO L225 Difference]: With dead ends: 61334 [2022-01-18 04:09:43,327 INFO L226 Difference]: Without dead ends: 61334 [2022-01-18 04:09:43,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:09:43,327 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 65 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:43,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 39 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 04:09:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61334 states. [2022-01-18 04:09:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61334 to 61334. [2022-01-18 04:09:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61334 states, 61333 states have (on average 6.0984135783346645) internal successors, (374034), 61333 states have internal predecessors, (374034), 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) [2022-01-18 04:09:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61334 states to 61334 states and 374034 transitions. [2022-01-18 04:09:45,955 INFO L78 Accepts]: Start accepts. Automaton has 61334 states and 374034 transitions. Word has length 37 [2022-01-18 04:09:45,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:45,955 INFO L470 AbstractCegarLoop]: Abstraction has 61334 states and 374034 transitions. [2022-01-18 04:09:45,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2022-01-18 04:09:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 61334 states and 374034 transitions. [2022-01-18 04:09:46,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-18 04:09:46,163 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:46,163 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:46,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 04:09:46,164 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 6 more)] === [2022-01-18 04:09:46,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:46,164 INFO L85 PathProgramCache]: Analyzing trace with hash -887620036, now seen corresponding path program 33 times [2022-01-18 04:09:46,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:46,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545137359] [2022-01-18 04:09:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:46,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:46,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:46,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545137359] [2022-01-18 04:09:46,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545137359] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:46,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:46,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 04:09:46,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456513362] [2022-01-18 04:09:46,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:46,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 04:09:46,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:46,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 04:09:46,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:46,430 INFO L87 Difference]: Start difference. First operand 61334 states and 374034 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) [2022-01-18 04:09:49,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:49,239 INFO L93 Difference]: Finished difference Result 157865 states and 907092 transitions. [2022-01-18 04:09:49,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 04:09:49,240 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 11 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) Word has length 37 [2022-01-18 04:09:49,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:50,125 INFO L225 Difference]: With dead ends: 157865 [2022-01-18 04:09:50,125 INFO L226 Difference]: Without dead ends: 154687 [2022-01-18 04:09:50,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-01-18 04:09:50,126 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 911 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:50,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [911 Valid, 398 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 04:09:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154687 states. Received shutdown request... [2022-01-18 04:09:52,987 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 [2022-01-18 04:09:53,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154687 to 61774. [2022-01-18 04:09:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61774 states, 61773 states have (on average 6.088323377527399) internal successors, (376094), 61773 states have internal predecessors, (376094), 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) [2022-01-18 04:09:53,705 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (9 of 10 remaining) [2022-01-18 04:09:53,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 04:09:53,705 WARN L594 AbstractCegarLoop]: Verification canceled: while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). [2022-01-18 04:09:53,707 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 10 remaining) [2022-01-18 04:09:53,707 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (7 of 10 remaining) [2022-01-18 04:09:53,707 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (6 of 10 remaining) [2022-01-18 04:09:53,710 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (5 of 10 remaining) [2022-01-18 04:09:53,710 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION (4 of 10 remaining) [2022-01-18 04:09:53,713 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION (3 of 10 remaining) [2022-01-18 04:09:53,713 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATION (2 of 10 remaining) [2022-01-18 04:09:53,713 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7INUSE_VIOLATION (1 of 10 remaining) [2022-01-18 04:09:53,713 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATION (0 of 10 remaining) [2022-01-18 04:09:53,715 INFO L732 BasicCegarLoop]: Path program histogram: [33, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:53,717 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 04:09:53,717 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 04:09:53,718 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 04:09:53 BasicIcfg [2022-01-18 04:09:53,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 04:09:53,719 INFO L158 Benchmark]: Toolchain (without parser) took 567043.41ms. Allocated memory was 360.7MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 324.2MB in the beginning and 9.6GB in the end (delta: -9.2GB). Peak memory consumption was 6.8GB. Max. memory is 16.0GB. [2022-01-18 04:09:53,719 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 360.7MB. Free memory is still 325.2MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 04:09:53,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.14ms. Allocated memory is still 360.7MB. Free memory was 324.2MB in the beginning and 322.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 04:09:53,719 INFO L158 Benchmark]: Boogie Preprocessor took 13.67ms. Allocated memory is still 360.7MB. Free memory was 322.6MB in the beginning and 321.7MB in the end (delta: 880.3kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 04:09:53,719 INFO L158 Benchmark]: RCFGBuilder took 185.21ms. Allocated memory is still 360.7MB. Free memory was 321.6MB in the beginning and 311.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2022-01-18 04:09:53,719 INFO L158 Benchmark]: TraceAbstraction took 566820.06ms. Allocated memory was 360.7MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 311.1MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 6.8GB. Max. memory is 16.0GB. [2022-01-18 04:09:53,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 360.7MB. Free memory is still 325.2MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 20.14ms. Allocated memory is still 360.7MB. Free memory was 324.2MB in the beginning and 322.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 13.67ms. Allocated memory is still 360.7MB. Free memory was 322.6MB in the beginning and 321.7MB in the end (delta: 880.3kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 185.21ms. Allocated memory is still 360.7MB. Free memory was 321.6MB in the beginning and 311.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 566820.06ms. Allocated memory was 360.7MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 311.1MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 6.8GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 16]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 10]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 14]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 17]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 19 procedures, 85 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 566.7s, OverallIterations: 39, TraceHistogramMax: 1, PathProgramHistogramMax: 33, EmptinessCheckTime: 20.9s, AutomataDifference: 237.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34128 SdHoareTripleChecker+Valid, 33.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34128 mSDsluCounter, 13253 SdHoareTripleChecker+Invalid, 24.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40359 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44765 IncrementalHoareTripleChecker+Invalid, 44786 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 4291 mSDtfsCounter, 44765 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 381 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271986occurred in iteration=0, InterpolantAutomatonStates: 381, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 281.9s AutomataMinimizationTime, 39 MinimizatonAttempts, 5026836 StatesRemovedByMinimization, 32 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 1443 NumberOfCodeBlocks, 1443 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1404 ConstructedInterpolants, 0 QuantifiedInterpolants, 43807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 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