/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:59:52,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:59:52,669 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 01:59:52,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:59:52,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:59:52,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:59:52,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:59:52,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:59:52,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:59:52,698 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:59:52,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:59:52,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:59:52,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:59:52,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:59:52,700 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:59:52,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:59:52,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:59:52,700 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:59:52,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:59:52,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:59:52,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:59:52,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:59:52,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:59:52,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:59:52,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:59:52,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:59:52,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:59:52,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:59:52,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:59:52,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:59:52,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:59:52,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:59:52,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:59:52,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:59:52,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:59:52,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:59:52,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:59:52,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:59:52,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:59:52,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:59:52,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:59:52,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:59:52,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:59:52,705 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:59:52,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:59:52,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:59:52,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:59:52,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:59:52,926 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:59:52,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label40.c [2023-12-16 01:59:53,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:59:54,286 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:59:54,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label40.c [2023-12-16 01:59:54,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8228b080b/3a76b6d5504042b29fe156b912d0acc1/FLAG849e90ae9 [2023-12-16 01:59:54,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8228b080b/3a76b6d5504042b29fe156b912d0acc1 [2023-12-16 01:59:54,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:59:54,332 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:59:54,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:59:54,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:59:54,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:59:54,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:59:54" (1/1) ... [2023-12-16 01:59:54,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f12d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:54, skipping insertion in model container [2023-12-16 01:59:54,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:59:54" (1/1) ... [2023-12-16 01:59:54,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:59:54,656 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label40.c[4201,4214] [2023-12-16 01:59:55,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:59:55,226 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:59:55,245 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label40.c[4201,4214] [2023-12-16 01:59:55,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:59:55,591 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:59:55,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55 WrapperNode [2023-12-16 01:59:55,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:59:55,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:59:55,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:59:55,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:59:55,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:55,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,045 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5587 [2023-12-16 01:59:56,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:59:56,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:59:56,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:59:56,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:59:56,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,318 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 01:59:56,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:59:56,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:59:56,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:59:56,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:59:56,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (1/1) ... [2023-12-16 01:59:56,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:59:56,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:59:56,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 01:59:56,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 01:59:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:59:56,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:59:56,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:59:56,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:59:56,705 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:59:56,707 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 02:00:00,385 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 02:00:00,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 02:00:00,425 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 02:00:00,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:00:00 BoogieIcfgContainer [2023-12-16 02:00:00,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 02:00:00,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 02:00:00,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 02:00:00,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 02:00:00,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:59:54" (1/3) ... [2023-12-16 02:00:00,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f791c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:00:00, skipping insertion in model container [2023-12-16 02:00:00,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:59:55" (2/3) ... [2023-12-16 02:00:00,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f791c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:00:00, skipping insertion in model container [2023-12-16 02:00:00,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:00:00" (3/3) ... [2023-12-16 02:00:00,432 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label40.c [2023-12-16 02:00:00,444 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 02:00:00,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 02:00:00,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 02:00:00,506 INFO L357 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ed34768, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 02:00:00,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 02:00:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 1036 states, 1034 states have (on average 1.877176015473888) internal successors, (1941), 1035 states have internal predecessors, (1941), 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) [2023-12-16 02:00:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 02:00:00,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:00,520 INFO L195 NwaCegarLoop]: 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] [2023-12-16 02:00:00,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:00,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:00,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1399272107, now seen corresponding path program 1 times [2023-12-16 02:00:00,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:00,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169249931] [2023-12-16 02:00:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:00,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:00,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:00,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169249931] [2023-12-16 02:00:00,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169249931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:00,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:00,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:00:00,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485968083] [2023-12-16 02:00:00,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:00,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 02:00:00,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 02:00:00,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 02:00:00,677 INFO L87 Difference]: Start difference. First operand has 1036 states, 1034 states have (on average 1.877176015473888) internal successors, (1941), 1035 states have internal predecessors, (1941), 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 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2023-12-16 02:00:00,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:00,767 INFO L93 Difference]: Finished difference Result 2071 states and 3881 transitions. [2023-12-16 02:00:00,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 02:00:00,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2023-12-16 02:00:00,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:00,786 INFO L225 Difference]: With dead ends: 2071 [2023-12-16 02:00:00,786 INFO L226 Difference]: Without dead ends: 1034 [2023-12-16 02:00:00,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 02:00:00,796 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:00,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 02:00:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2023-12-16 02:00:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2023-12-16 02:00:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1033 states have (on average 1.8160696999031947) internal successors, (1876), 1033 states have internal predecessors, (1876), 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) [2023-12-16 02:00:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1876 transitions. [2023-12-16 02:00:00,862 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1876 transitions. Word has length 27 [2023-12-16 02:00:00,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:00,862 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1876 transitions. [2023-12-16 02:00:00,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2023-12-16 02:00:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1876 transitions. [2023-12-16 02:00:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 02:00:00,863 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:00,863 INFO L195 NwaCegarLoop]: 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] [2023-12-16 02:00:00,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 02:00:00,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:00,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:00,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1780035253, now seen corresponding path program 1 times [2023-12-16 02:00:00,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:00,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139435184] [2023-12-16 02:00:00,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:00,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:00,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:00,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139435184] [2023-12-16 02:00:00,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139435184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:00,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:00,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:00:00,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258102260] [2023-12-16 02:00:00,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:00,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:00,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:00,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:00,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:00,980 INFO L87 Difference]: Start difference. First operand 1034 states and 1876 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2023-12-16 02:00:04,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:04,303 INFO L93 Difference]: Finished difference Result 2996 states and 5467 transitions. [2023-12-16 02:00:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:04,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2023-12-16 02:00:04,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:04,309 INFO L225 Difference]: With dead ends: 2996 [2023-12-16 02:00:04,310 INFO L226 Difference]: Without dead ends: 1963 [2023-12-16 02:00:04,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:04,314 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 1127 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 3179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:04,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 945 Invalid, 3179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [545 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-16 02:00:04,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2023-12-16 02:00:04,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1950. [2023-12-16 02:00:04,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1949 states have (on average 1.6541816316059517) internal successors, (3224), 1949 states have internal predecessors, (3224), 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) [2023-12-16 02:00:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 3224 transitions. [2023-12-16 02:00:04,375 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 3224 transitions. Word has length 27 [2023-12-16 02:00:04,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:04,375 INFO L495 AbstractCegarLoop]: Abstraction has 1950 states and 3224 transitions. [2023-12-16 02:00:04,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2023-12-16 02:00:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 3224 transitions. [2023-12-16 02:00:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-16 02:00:04,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:04,378 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:04,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 02:00:04,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:04,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:04,378 INFO L85 PathProgramCache]: Analyzing trace with hash 913378642, now seen corresponding path program 1 times [2023-12-16 02:00:04,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:04,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896383874] [2023-12-16 02:00:04,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:04,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:04,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:04,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896383874] [2023-12-16 02:00:04,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896383874] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:04,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:04,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:00:04,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394294969] [2023-12-16 02:00:04,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:04,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:04,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:04,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:04,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:04,563 INFO L87 Difference]: Start difference. First operand 1950 states and 3224 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2023-12-16 02:00:07,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:07,831 INFO L93 Difference]: Finished difference Result 5541 states and 9221 transitions. [2023-12-16 02:00:07,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:07,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 98 [2023-12-16 02:00:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:07,843 INFO L225 Difference]: With dead ends: 5541 [2023-12-16 02:00:07,843 INFO L226 Difference]: Without dead ends: 3592 [2023-12-16 02:00:07,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:07,850 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 924 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 3342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 749 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:07,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1007 Invalid, 3342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [749 Valid, 2593 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-16 02:00:07,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3592 states. [2023-12-16 02:00:07,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3592 to 3580. [2023-12-16 02:00:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3580 states, 3579 states have (on average 1.5051690416317407) internal successors, (5387), 3579 states have internal predecessors, (5387), 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) [2023-12-16 02:00:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 5387 transitions. [2023-12-16 02:00:07,909 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 5387 transitions. Word has length 98 [2023-12-16 02:00:07,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:07,913 INFO L495 AbstractCegarLoop]: Abstraction has 3580 states and 5387 transitions. [2023-12-16 02:00:07,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2023-12-16 02:00:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 5387 transitions. [2023-12-16 02:00:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 02:00:07,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:07,923 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:07,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 02:00:07,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:07,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash 22567311, now seen corresponding path program 1 times [2023-12-16 02:00:07,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:07,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128474426] [2023-12-16 02:00:07,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:07,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:08,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:08,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128474426] [2023-12-16 02:00:08,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128474426] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:08,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:08,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:00:08,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595030567] [2023-12-16 02:00:08,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:08,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:08,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:08,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:08,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:08,098 INFO L87 Difference]: Start difference. First operand 3580 states and 5387 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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) [2023-12-16 02:00:11,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:11,347 INFO L93 Difference]: Finished difference Result 10351 states and 15624 transitions. [2023-12-16 02:00:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:11,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 112 [2023-12-16 02:00:11,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:11,367 INFO L225 Difference]: With dead ends: 10351 [2023-12-16 02:00:11,367 INFO L226 Difference]: Without dead ends: 6772 [2023-12-16 02:00:11,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:11,373 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 786 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 3278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:11,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 1169 Invalid, 3278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-16 02:00:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6772 states. [2023-12-16 02:00:11,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6772 to 6748. [2023-12-16 02:00:11,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6748 states, 6747 states have (on average 1.325626204238921) internal successors, (8944), 6747 states have internal predecessors, (8944), 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) [2023-12-16 02:00:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6748 states to 6748 states and 8944 transitions. [2023-12-16 02:00:11,460 INFO L78 Accepts]: Start accepts. Automaton has 6748 states and 8944 transitions. Word has length 112 [2023-12-16 02:00:11,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:11,461 INFO L495 AbstractCegarLoop]: Abstraction has 6748 states and 8944 transitions. [2023-12-16 02:00:11,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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) [2023-12-16 02:00:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6748 states and 8944 transitions. [2023-12-16 02:00:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-16 02:00:11,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:11,463 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:11,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 02:00:11,463 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:11,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash 302914299, now seen corresponding path program 1 times [2023-12-16 02:00:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:11,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613783638] [2023-12-16 02:00:11,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:11,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:11,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613783638] [2023-12-16 02:00:11,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613783638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:11,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:11,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:00:11,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142022890] [2023-12-16 02:00:11,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:11,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:11,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:11,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:11,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:11,593 INFO L87 Difference]: Start difference. First operand 6748 states and 8944 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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) [2023-12-16 02:00:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:14,461 INFO L93 Difference]: Finished difference Result 19803 states and 26225 transitions. [2023-12-16 02:00:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:14,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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 141 [2023-12-16 02:00:14,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:14,515 INFO L225 Difference]: With dead ends: 19803 [2023-12-16 02:00:14,516 INFO L226 Difference]: Without dead ends: 13056 [2023-12-16 02:00:14,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:14,526 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 865 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 875 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 3206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 875 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:14,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 1033 Invalid, 3206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [875 Valid, 2331 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-16 02:00:14,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13056 states. [2023-12-16 02:00:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13056 to 13051. [2023-12-16 02:00:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13051 states, 13050 states have (on average 1.2182375478927203) internal successors, (15898), 13050 states have internal predecessors, (15898), 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) [2023-12-16 02:00:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13051 states to 13051 states and 15898 transitions. [2023-12-16 02:00:14,712 INFO L78 Accepts]: Start accepts. Automaton has 13051 states and 15898 transitions. Word has length 141 [2023-12-16 02:00:14,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:14,714 INFO L495 AbstractCegarLoop]: Abstraction has 13051 states and 15898 transitions. [2023-12-16 02:00:14,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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) [2023-12-16 02:00:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 13051 states and 15898 transitions. [2023-12-16 02:00:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-16 02:00:14,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:14,734 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:14,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 02:00:14,734 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:14,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:14,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1202995836, now seen corresponding path program 1 times [2023-12-16 02:00:14,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:14,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147172886] [2023-12-16 02:00:14,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:14,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:14,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:14,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147172886] [2023-12-16 02:00:14,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147172886] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:14,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:14,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 02:00:14,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208580394] [2023-12-16 02:00:14,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:14,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 02:00:14,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:14,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 02:00:14,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 02:00:14,915 INFO L87 Difference]: Start difference. First operand 13051 states and 15898 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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) [2023-12-16 02:00:20,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:20,882 INFO L93 Difference]: Finished difference Result 47612 states and 58540 transitions. [2023-12-16 02:00:20,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 02:00:20,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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 152 [2023-12-16 02:00:20,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:20,934 INFO L225 Difference]: With dead ends: 47612 [2023-12-16 02:00:20,934 INFO L226 Difference]: Without dead ends: 34562 [2023-12-16 02:00:20,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 02:00:20,948 INFO L413 NwaCegarLoop]: 1008 mSDtfsCounter, 1659 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 6153 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 6767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 6153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:20,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 1180 Invalid, 6767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 6153 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-12-16 02:00:20,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34562 states. [2023-12-16 02:00:21,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34562 to 34359. [2023-12-16 02:00:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34359 states, 34358 states have (on average 1.1786483497293208) internal successors, (40496), 34358 states have internal predecessors, (40496), 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) [2023-12-16 02:00:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34359 states to 34359 states and 40496 transitions. [2023-12-16 02:00:21,335 INFO L78 Accepts]: Start accepts. Automaton has 34359 states and 40496 transitions. Word has length 152 [2023-12-16 02:00:21,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:21,335 INFO L495 AbstractCegarLoop]: Abstraction has 34359 states and 40496 transitions. [2023-12-16 02:00:21,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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) [2023-12-16 02:00:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 34359 states and 40496 transitions. [2023-12-16 02:00:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-16 02:00:21,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:21,338 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:21,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 02:00:21,340 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:21,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:21,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1131620141, now seen corresponding path program 1 times [2023-12-16 02:00:21,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:21,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585984078] [2023-12-16 02:00:21,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:21,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 02:00:21,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:21,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585984078] [2023-12-16 02:00:21,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585984078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:21,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:00:21,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442321674] [2023-12-16 02:00:21,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:21,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:21,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:21,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:21,609 INFO L87 Difference]: Start difference. First operand 34359 states and 40496 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2023-12-16 02:00:24,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:24,313 INFO L93 Difference]: Finished difference Result 69504 states and 81793 transitions. [2023-12-16 02:00:24,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:24,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 217 [2023-12-16 02:00:24,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:24,355 INFO L225 Difference]: With dead ends: 69504 [2023-12-16 02:00:24,356 INFO L226 Difference]: Without dead ends: 35146 [2023-12-16 02:00:24,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:24,384 INFO L413 NwaCegarLoop]: 1081 mSDtfsCounter, 700 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:24,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 1210 Invalid, 2530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2521 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-16 02:00:24,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35146 states. [2023-12-16 02:00:24,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35146 to 35146. [2023-12-16 02:00:24,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35146 states, 35145 states have (on average 1.1747901550718451) internal successors, (41288), 35145 states have internal predecessors, (41288), 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) [2023-12-16 02:00:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35146 states to 35146 states and 41288 transitions. [2023-12-16 02:00:24,740 INFO L78 Accepts]: Start accepts. Automaton has 35146 states and 41288 transitions. Word has length 217 [2023-12-16 02:00:24,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:24,740 INFO L495 AbstractCegarLoop]: Abstraction has 35146 states and 41288 transitions. [2023-12-16 02:00:24,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2023-12-16 02:00:24,740 INFO L276 IsEmpty]: Start isEmpty. Operand 35146 states and 41288 transitions. [2023-12-16 02:00:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-12-16 02:00:24,742 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:24,742 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:24,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 02:00:24,742 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:24,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:24,744 INFO L85 PathProgramCache]: Analyzing trace with hash -155705274, now seen corresponding path program 1 times [2023-12-16 02:00:24,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:24,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039992409] [2023-12-16 02:00:24,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:24,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:24,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:24,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039992409] [2023-12-16 02:00:24,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039992409] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:24,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:24,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 02:00:24,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165800312] [2023-12-16 02:00:24,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:24,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 02:00:24,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:24,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 02:00:24,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 02:00:24,904 INFO L87 Difference]: Start difference. First operand 35146 states and 41288 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-12-16 02:00:31,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:31,555 INFO L93 Difference]: Finished difference Result 94991 states and 112853 transitions. [2023-12-16 02:00:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 02:00:31,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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 224 [2023-12-16 02:00:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:31,642 INFO L225 Difference]: With dead ends: 94991 [2023-12-16 02:00:31,642 INFO L226 Difference]: Without dead ends: 60633 [2023-12-16 02:00:31,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 02:00:31,659 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 1724 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 6855 mSolverCounterSat, 1090 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 7945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1090 IncrementalHoareTripleChecker+Valid, 6855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:31,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1724 Valid, 881 Invalid, 7945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1090 Valid, 6855 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-12-16 02:00:31,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60633 states. [2023-12-16 02:00:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60633 to 60454. [2023-12-16 02:00:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60454 states, 60453 states have (on average 1.1679651961027575) internal successors, (70607), 60453 states have internal predecessors, (70607), 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) [2023-12-16 02:00:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60454 states to 60454 states and 70607 transitions. [2023-12-16 02:00:32,260 INFO L78 Accepts]: Start accepts. Automaton has 60454 states and 70607 transitions. Word has length 224 [2023-12-16 02:00:32,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:32,260 INFO L495 AbstractCegarLoop]: Abstraction has 60454 states and 70607 transitions. [2023-12-16 02:00:32,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-12-16 02:00:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 60454 states and 70607 transitions. [2023-12-16 02:00:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-12-16 02:00:32,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:32,263 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:32,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 02:00:32,263 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:32,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:32,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1302564877, now seen corresponding path program 1 times [2023-12-16 02:00:32,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:32,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545285489] [2023-12-16 02:00:32,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:32,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:32,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:32,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545285489] [2023-12-16 02:00:32,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545285489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:32,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:32,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 02:00:32,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806526606] [2023-12-16 02:00:32,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:32,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:32,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:32,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:32,790 INFO L87 Difference]: Start difference. First operand 60454 states and 70607 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-12-16 02:00:36,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:36,386 INFO L93 Difference]: Finished difference Result 146102 states and 173483 transitions. [2023-12-16 02:00:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:36,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 234 [2023-12-16 02:00:36,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:36,484 INFO L225 Difference]: With dead ends: 146102 [2023-12-16 02:00:36,485 INFO L226 Difference]: Without dead ends: 86436 [2023-12-16 02:00:36,510 INFO L412 NwaCegarLoop]: 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 [2023-12-16 02:00:36,511 INFO L413 NwaCegarLoop]: 962 mSDtfsCounter, 810 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 3327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:36,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 1081 Invalid, 3327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 2450 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-16 02:00:36,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86436 states. [2023-12-16 02:00:37,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86436 to 84850. [2023-12-16 02:00:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84850 states, 84849 states have (on average 1.1580926115805725) internal successors, (98263), 84849 states have internal predecessors, (98263), 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) [2023-12-16 02:00:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84850 states to 84850 states and 98263 transitions. [2023-12-16 02:00:37,454 INFO L78 Accepts]: Start accepts. Automaton has 84850 states and 98263 transitions. Word has length 234 [2023-12-16 02:00:37,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:37,454 INFO L495 AbstractCegarLoop]: Abstraction has 84850 states and 98263 transitions. [2023-12-16 02:00:37,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-12-16 02:00:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 84850 states and 98263 transitions. [2023-12-16 02:00:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-12-16 02:00:37,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:37,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:37,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 02:00:37,457 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:37,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:37,460 INFO L85 PathProgramCache]: Analyzing trace with hash -951090516, now seen corresponding path program 1 times [2023-12-16 02:00:37,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:37,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801802732] [2023-12-16 02:00:37,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:37,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 02:00:37,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:37,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801802732] [2023-12-16 02:00:37,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801802732] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:37,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:37,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 02:00:37,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841769398] [2023-12-16 02:00:37,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:37,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:37,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:37,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:37,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:37,683 INFO L87 Difference]: Start difference. First operand 84850 states and 98263 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2023-12-16 02:00:40,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:40,997 INFO L93 Difference]: Finished difference Result 166364 states and 192909 transitions. [2023-12-16 02:00:40,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:40,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 241 [2023-12-16 02:00:40,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:41,176 INFO L225 Difference]: With dead ends: 166364 [2023-12-16 02:00:41,176 INFO L226 Difference]: Without dead ends: 82302 [2023-12-16 02:00:41,209 INFO L412 NwaCegarLoop]: 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 [2023-12-16 02:00:41,210 INFO L413 NwaCegarLoop]: 1510 mSDtfsCounter, 1036 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 2950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:41,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1036 Valid, 1645 Invalid, 2950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 2355 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 02:00:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82302 states. [2023-12-16 02:00:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82302 to 75994. [2023-12-16 02:00:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75994 states, 75993 states have (on average 1.1166817996394405) internal successors, (84860), 75993 states have internal predecessors, (84860), 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) [2023-12-16 02:00:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75994 states to 75994 states and 84860 transitions. [2023-12-16 02:00:41,938 INFO L78 Accepts]: Start accepts. Automaton has 75994 states and 84860 transitions. Word has length 241 [2023-12-16 02:00:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:41,939 INFO L495 AbstractCegarLoop]: Abstraction has 75994 states and 84860 transitions. [2023-12-16 02:00:41,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2023-12-16 02:00:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 75994 states and 84860 transitions. [2023-12-16 02:00:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-12-16 02:00:41,942 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:41,942 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:41,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 02:00:41,943 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:41,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash -873648594, now seen corresponding path program 1 times [2023-12-16 02:00:41,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:41,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446837101] [2023-12-16 02:00:41,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:41,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-12-16 02:00:42,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:42,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446837101] [2023-12-16 02:00:42,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446837101] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:42,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:42,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 02:00:42,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219954449] [2023-12-16 02:00:42,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:42,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:42,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:42,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:42,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:42,315 INFO L87 Difference]: Start difference. First operand 75994 states and 84860 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2023-12-16 02:00:45,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:45,479 INFO L93 Difference]: Finished difference Result 153565 states and 171313 transitions. [2023-12-16 02:00:45,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:45,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 313 [2023-12-16 02:00:45,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:45,567 INFO L225 Difference]: With dead ends: 153565 [2023-12-16 02:00:45,568 INFO L226 Difference]: Without dead ends: 78359 [2023-12-16 02:00:45,596 INFO L412 NwaCegarLoop]: 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 [2023-12-16 02:00:45,596 INFO L413 NwaCegarLoop]: 1389 mSDtfsCounter, 939 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 2488 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 2488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:45,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 1474 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 2488 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-16 02:00:45,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78359 states. [2023-12-16 02:00:46,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78359 to 75987. [2023-12-16 02:00:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75987 states, 75986 states have (on average 1.0957413207696154) internal successors, (83261), 75986 states have internal predecessors, (83261), 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) [2023-12-16 02:00:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75987 states to 75987 states and 83261 transitions. [2023-12-16 02:00:46,490 INFO L78 Accepts]: Start accepts. Automaton has 75987 states and 83261 transitions. Word has length 313 [2023-12-16 02:00:46,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:46,491 INFO L495 AbstractCegarLoop]: Abstraction has 75987 states and 83261 transitions. [2023-12-16 02:00:46,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2023-12-16 02:00:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 75987 states and 83261 transitions. [2023-12-16 02:00:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2023-12-16 02:00:46,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:46,494 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:46,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 02:00:46,494 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:46,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:46,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1894669301, now seen corresponding path program 1 times [2023-12-16 02:00:46,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:46,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072250921] [2023-12-16 02:00:46,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:46,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-12-16 02:00:46,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:46,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072250921] [2023-12-16 02:00:46,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072250921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:46,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:46,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 02:00:46,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154683929] [2023-12-16 02:00:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:46,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:46,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:46,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:46,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:46,870 INFO L87 Difference]: Start difference. First operand 75987 states and 83261 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2023-12-16 02:00:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:00:50,152 INFO L93 Difference]: Finished difference Result 173235 states and 190619 transitions. [2023-12-16 02:00:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 323 [2023-12-16 02:00:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:00:50,269 INFO L225 Difference]: With dead ends: 173235 [2023-12-16 02:00:50,269 INFO L226 Difference]: Without dead ends: 98036 [2023-12-16 02:00:50,297 INFO L412 NwaCegarLoop]: 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 [2023-12-16 02:00:50,298 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 893 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 2403 mSolverCounterSat, 774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 3177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 774 IncrementalHoareTripleChecker+Valid, 2403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:50,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 844 Invalid, 3177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [774 Valid, 2403 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 02:00:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98036 states. [2023-12-16 02:00:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98036 to 96446. [2023-12-16 02:00:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96446 states, 96445 states have (on average 1.090580123386386) internal successors, (105181), 96445 states have internal predecessors, (105181), 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) [2023-12-16 02:00:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96446 states to 96446 states and 105181 transitions. [2023-12-16 02:00:51,441 INFO L78 Accepts]: Start accepts. Automaton has 96446 states and 105181 transitions. Word has length 323 [2023-12-16 02:00:51,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:00:51,441 INFO L495 AbstractCegarLoop]: Abstraction has 96446 states and 105181 transitions. [2023-12-16 02:00:51,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2023-12-16 02:00:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 96446 states and 105181 transitions. [2023-12-16 02:00:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-16 02:00:51,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:00:51,445 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:51,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 02:00:51,446 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:00:51,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:00:51,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1913950626, now seen corresponding path program 1 times [2023-12-16 02:00:51,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:00:51,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487935629] [2023-12-16 02:00:51,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:00:51,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:00:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:00:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-12-16 02:00:51,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:00:51,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487935629] [2023-12-16 02:00:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487935629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:00:51,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:00:51,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:00:51,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563084258] [2023-12-16 02:00:51,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:00:51,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 02:00:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:00:51,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 02:00:51,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:51,892 INFO L87 Difference]: Start difference. First operand 96446 states and 105181 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 2 states have internal predecessors, (221), 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) Received shutdown request... [2023-12-16 02:00:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 02:00:53,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 02:00:53,688 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 609 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 02:00:53,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 559 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 02:00:53,689 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 02:00:53,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 02:00:53,690 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (96446states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (58225 states constructed, input type IntersectNwa). [2023-12-16 02:00:53,693 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:00:53,694 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 02:00:53,695 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 02:00:53,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:00:53 BoogieIcfgContainer [2023-12-16 02:00:53,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 02:00:53,697 INFO L158 Benchmark]: Toolchain (without parser) took 59365.05ms. Allocated memory was 215.0MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 134.2MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-16 02:00:53,697 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 215.0MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 02:00:53,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1257.23ms. Allocated memory was 215.0MB in the beginning and 257.9MB in the end (delta: 43.0MB). Free memory was 133.9MB in the beginning and 140.8MB in the end (delta: -6.8MB). Peak memory consumption was 67.0MB. Max. memory is 8.0GB. [2023-12-16 02:00:53,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 453.41ms. Allocated memory was 257.9MB in the beginning and 406.8MB in the end (delta: 148.9MB). Free memory was 140.8MB in the beginning and 234.1MB in the end (delta: -93.4MB). Peak memory consumption was 75.0MB. Max. memory is 8.0GB. [2023-12-16 02:00:53,698 INFO L158 Benchmark]: Boogie Preprocessor took 558.85ms. Allocated memory was 406.8MB in the beginning and 723.5MB in the end (delta: 316.7MB). Free memory was 234.1MB in the beginning and 541.9MB in the end (delta: -307.8MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2023-12-16 02:00:53,698 INFO L158 Benchmark]: RCFGBuilder took 3819.94ms. Allocated memory is still 723.5MB. Free memory was 541.9MB in the beginning and 440.1MB in the end (delta: 101.8MB). Peak memory consumption was 418.5MB. Max. memory is 8.0GB. [2023-12-16 02:00:53,698 INFO L158 Benchmark]: TraceAbstraction took 53269.29ms. Allocated memory was 723.5MB in the beginning and 4.0GB in the end (delta: 3.3GB). Free memory was 439.0MB in the beginning and 2.8GB in the end (delta: -2.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-16 02:00:53,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 215.0MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1257.23ms. Allocated memory was 215.0MB in the beginning and 257.9MB in the end (delta: 43.0MB). Free memory was 133.9MB in the beginning and 140.8MB in the end (delta: -6.8MB). Peak memory consumption was 67.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 453.41ms. Allocated memory was 257.9MB in the beginning and 406.8MB in the end (delta: 148.9MB). Free memory was 140.8MB in the beginning and 234.1MB in the end (delta: -93.4MB). Peak memory consumption was 75.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 558.85ms. Allocated memory was 406.8MB in the beginning and 723.5MB in the end (delta: 316.7MB). Free memory was 234.1MB in the beginning and 541.9MB in the end (delta: -307.8MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. * RCFGBuilder took 3819.94ms. Allocated memory is still 723.5MB. Free memory was 541.9MB in the beginning and 440.1MB in the end (delta: 101.8MB). Peak memory consumption was 418.5MB. Max. memory is 8.0GB. * TraceAbstraction took 53269.29ms. Allocated memory was 723.5MB in the beginning and 4.0GB in the end (delta: 3.3GB). Free memory was 439.0MB in the beginning and 2.8GB in the end (delta: -2.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * 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: 106]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 106). Cancelled while NwaCegarLoop was constructing difference of abstraction (96446states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (58225 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1036 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.2s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 44.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12072 SdHoareTripleChecker+Valid, 39.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12072 mSDsluCounter, 14904 SdHoareTripleChecker+Invalid, 32.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1727 mSDsCounter, 7532 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37019 IncrementalHoareTripleChecker+Invalid, 44551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7532 mSolverCounterUnsat, 13177 mSDtfsCounter, 37019 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96446occurred in iteration=12, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 12292 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2449 NumberOfCodeBlocks, 2449 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2436 ConstructedInterpolants, 0 QuantifiedInterpolants, 5530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 1736/1736 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