/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 04:14:46,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 04:14:46,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 04:14:46,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 04:14:46,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 04:14:46,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 04:14:46,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 04:14:46,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 04:14:46,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 04:14:46,750 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 04:14:46,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 04:14:46,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 04:14:46,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 04:14:46,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 04:14:46,752 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 04:14:46,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 04:14:46,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 04:14:46,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 04:14:46,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 04:14:46,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 04:14:46,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 04:14:46,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 04:14:46,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 04:14:46,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 04:14:46,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 04:14:46,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 04:14:46,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 04:14:46,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 04:14:46,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 04:14:46,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 04:14:46,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 04:14:46,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 04:14:46,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 04:14:46,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 04:14:46,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 04:14:46,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 04:14:46,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 04:14:46,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 04:14:46,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 04:14:46,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 04:14:46,759 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 04:14:46,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 04:14:46,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 04:14:46,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 04:14:47,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 04:14:47,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 04:14:47,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 04:14:47,037 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 04:14:47,038 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 04:14:47,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label44.c [2023-12-19 04:14:48,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 04:14:48,578 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 04:14:48,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label44.c [2023-12-19 04:14:48,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b4ac8ac/91490598570745d4957f11da9bc7daae/FLAG809340535 [2023-12-19 04:14:48,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b4ac8ac/91490598570745d4957f11da9bc7daae [2023-12-19 04:14:48,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 04:14:48,619 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 04:14:48,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 04:14:48,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 04:14:48,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 04:14:48,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:14:48" (1/1) ... [2023-12-19 04:14:48,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c565983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:48, skipping insertion in model container [2023-12-19 04:14:48,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:14:48" (1/1) ... [2023-12-19 04:14:48,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 04:14:48,951 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/Problem15_label44.c[8025,8038] [2023-12-19 04:14:49,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 04:14:49,331 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 04:14:49,355 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/Problem15_label44.c[8025,8038] [2023-12-19 04:14:49,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 04:14:49,559 INFO L206 MainTranslator]: Completed translation [2023-12-19 04:14:49,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49 WrapperNode [2023-12-19 04:14:49,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 04:14:49,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 04:14:49,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 04:14:49,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 04:14:49,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,778 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1760 [2023-12-19 04:14:49,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 04:14:49,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 04:14:49,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 04:14:49,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 04:14:49,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,892 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]. [2023-12-19 04:14:49,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:49,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:50,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:50,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:50,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 04:14:50,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 04:14:50,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 04:14:50,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 04:14:50,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (1/1) ... [2023-12-19 04:14:50,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 04:14:50,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 04:14:50,098 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) [2023-12-19 04:14:50,112 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 [2023-12-19 04:14:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 04:14:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 04:14:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 04:14:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 04:14:50,201 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 04:14:50,204 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 04:14:52,794 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 04:14:52,853 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 04:14:52,853 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 04:14:52,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:14:52 BoogieIcfgContainer [2023-12-19 04:14:52,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 04:14:52,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 04:14:52,855 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 04:14:52,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 04:14:52,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 04:14:48" (1/3) ... [2023-12-19 04:14:52,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3270865a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:14:52, skipping insertion in model container [2023-12-19 04:14:52,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:14:49" (2/3) ... [2023-12-19 04:14:52,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3270865a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:14:52, skipping insertion in model container [2023-12-19 04:14:52,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:14:52" (3/3) ... [2023-12-19 04:14:52,862 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label44.c [2023-12-19 04:14:52,878 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 04:14:52,878 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 04:14:52,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 04:14:52,947 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;@7e902694, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 04:14:52,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 04:14:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-19 04:14:52,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:14:52,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:14:52,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:14:52,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:14:52,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1676647647, now seen corresponding path program 1 times [2023-12-19 04:14:52,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:14:52,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641179147] [2023-12-19 04:14:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:14:52,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:14:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:14:53,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 04:14:53,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:14:53,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641179147] [2023-12-19 04:14:53,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641179147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:14:53,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:14:53,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 04:14:53,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628794910] [2023-12-19 04:14:53,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:14:53,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 04:14:53,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:14:53,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 04:14:53,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 04:14:53,233 INFO L87 Difference]: Start difference. First operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 0 states have call successors, (0), 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 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:14:53,306 INFO L93 Difference]: Finished difference Result 723 states and 1375 transitions. [2023-12-19 04:14:53,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 04:14:53,313 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2023-12-19 04:14:53,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:14:53,326 INFO L225 Difference]: With dead ends: 723 [2023-12-19 04:14:53,326 INFO L226 Difference]: Without dead ends: 360 [2023-12-19 04:14:53,333 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 [2023-12-19 04:14:53,337 INFO L413 NwaCegarLoop]: 623 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, 623 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 [2023-12-19 04:14:53,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 04:14:53,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-19 04:14:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-12-19 04:14:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.7353760445682451) internal successors, (623), 359 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 623 transitions. [2023-12-19 04:14:53,406 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 623 transitions. Word has length 65 [2023-12-19 04:14:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:14:53,407 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 623 transitions. [2023-12-19 04:14:53,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 623 transitions. [2023-12-19 04:14:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-19 04:14:53,410 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:14:53,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:14:53,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 04:14:53,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:14:53,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:14:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1403809728, now seen corresponding path program 1 times [2023-12-19 04:14:53,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:14:53,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964013386] [2023-12-19 04:14:53,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:14:53,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:14:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:14:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 04:14:53,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:14:53,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964013386] [2023-12-19 04:14:53,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964013386] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:14:53,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:14:53,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 04:14:53,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384785200] [2023-12-19 04:14:53,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:14:53,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:14:53,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:14:53,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:14:53,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:14:53,667 INFO L87 Difference]: Start difference. First operand 360 states and 623 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:55,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:14:55,682 INFO L93 Difference]: Finished difference Result 1023 states and 1787 transitions. [2023-12-19 04:14:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:14:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2023-12-19 04:14:55,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:14:55,691 INFO L225 Difference]: With dead ends: 1023 [2023-12-19 04:14:55,691 INFO L226 Difference]: Without dead ends: 664 [2023-12-19 04:14:55,693 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 [2023-12-19 04:14:55,694 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 251 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-19 04:14:55,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 316 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-19 04:14:55,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-12-19 04:14:55,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 662. [2023-12-19 04:14:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.4826021180030258) internal successors, (980), 661 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 980 transitions. [2023-12-19 04:14:55,717 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 980 transitions. Word has length 65 [2023-12-19 04:14:55,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:14:55,718 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 980 transitions. [2023-12-19 04:14:55,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 980 transitions. [2023-12-19 04:14:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-19 04:14:55,721 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:14:55,722 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, 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] [2023-12-19 04:14:55,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 04:14:55,722 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:14:55,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:14:55,723 INFO L85 PathProgramCache]: Analyzing trace with hash 18420591, now seen corresponding path program 1 times [2023-12-19 04:14:55,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:14:55,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916606716] [2023-12-19 04:14:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:14:55,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:14:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:14:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 04:14:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:14:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916606716] [2023-12-19 04:14:56,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916606716] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:14:56,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:14:56,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 04:14:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256193025] [2023-12-19 04:14:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:14:56,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:14:56,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:14:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:14:56,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:14:56,103 INFO L87 Difference]: Start difference. First operand 662 states and 980 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:57,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:14:57,648 INFO L93 Difference]: Finished difference Result 1623 states and 2314 transitions. [2023-12-19 04:14:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:14:57,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2023-12-19 04:14:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:14:57,652 INFO L225 Difference]: With dead ends: 1623 [2023-12-19 04:14:57,653 INFO L226 Difference]: Without dead ends: 962 [2023-12-19 04:14:57,654 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 [2023-12-19 04:14:57,655 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-19 04:14:57,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 335 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-19 04:14:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2023-12-19 04:14:57,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2023-12-19 04:14:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.3631633714880333) internal successors, (1310), 961 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1310 transitions. [2023-12-19 04:14:57,682 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1310 transitions. Word has length 130 [2023-12-19 04:14:57,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:14:57,682 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1310 transitions. [2023-12-19 04:14:57,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1310 transitions. [2023-12-19 04:14:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-19 04:14:57,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:14:57,685 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, 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] [2023-12-19 04:14:57,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 04:14:57,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:14:57,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:14:57,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1482107382, now seen corresponding path program 1 times [2023-12-19 04:14:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:14:57,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493818870] [2023-12-19 04:14:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:14:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:14:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:14:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 04:14:58,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:14:58,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493818870] [2023-12-19 04:14:58,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493818870] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:14:58,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:14:58,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 04:14:58,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767216904] [2023-12-19 04:14:58,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:14:58,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 04:14:58,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:14:58,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 04:14:58,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 04:14:58,040 INFO L87 Difference]: Start difference. First operand 962 states and 1310 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:59,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:14:59,851 INFO L93 Difference]: Finished difference Result 2239 states and 3196 transitions. [2023-12-19 04:14:59,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 04:14:59,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2023-12-19 04:14:59,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:14:59,857 INFO L225 Difference]: With dead ends: 2239 [2023-12-19 04:14:59,857 INFO L226 Difference]: Without dead ends: 1577 [2023-12-19 04:14:59,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 04:14:59,861 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 934 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-19 04:14:59,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 319 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-19 04:14:59,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2023-12-19 04:14:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1265. [2023-12-19 04:14:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1264 states have (on average 1.3045886075949367) internal successors, (1649), 1264 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1649 transitions. [2023-12-19 04:14:59,893 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1649 transitions. Word has length 135 [2023-12-19 04:14:59,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:14:59,894 INFO L495 AbstractCegarLoop]: Abstraction has 1265 states and 1649 transitions. [2023-12-19 04:14:59,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:14:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1649 transitions. [2023-12-19 04:14:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-12-19 04:14:59,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:14:59,905 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, 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, 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] [2023-12-19 04:14:59,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 04:14:59,906 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:14:59,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:14:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1437912913, now seen corresponding path program 1 times [2023-12-19 04:14:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:14:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676873036] [2023-12-19 04:14:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:14:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:14:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:00,191 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 04:15:00,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:00,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676873036] [2023-12-19 04:15:00,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676873036] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:00,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:00,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008191722] [2023-12-19 04:15:00,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:00,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 04:15:00,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:00,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 04:15:00,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 04:15:00,196 INFO L87 Difference]: Start difference. First operand 1265 states and 1649 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:03,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:03,068 INFO L93 Difference]: Finished difference Result 4669 states and 6169 transitions. [2023-12-19 04:15:03,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 04:15:03,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2023-12-19 04:15:03,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:03,082 INFO L225 Difference]: With dead ends: 4669 [2023-12-19 04:15:03,082 INFO L226 Difference]: Without dead ends: 3405 [2023-12-19 04:15:03,085 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 [2023-12-19 04:15:03,086 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 489 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:03,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 345 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-19 04:15:03,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2023-12-19 04:15:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3380. [2023-12-19 04:15:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 3379 states have (on average 1.2367564368156259) internal successors, (4179), 3379 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4179 transitions. [2023-12-19 04:15:03,171 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4179 transitions. Word has length 231 [2023-12-19 04:15:03,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:03,173 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 4179 transitions. [2023-12-19 04:15:03,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4179 transitions. [2023-12-19 04:15:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-19 04:15:03,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:03,179 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, 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, 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] [2023-12-19 04:15:03,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 04:15:03,180 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:03,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:03,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1246105829, now seen corresponding path program 1 times [2023-12-19 04:15:03,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:03,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863166887] [2023-12-19 04:15:03,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:03,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-19 04:15:03,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:03,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863166887] [2023-12-19 04:15:03,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863166887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:03,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:03,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 04:15:03,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696367358] [2023-12-19 04:15:03,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:03,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:03,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:03,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:03,392 INFO L87 Difference]: Start difference. First operand 3380 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:04,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:04,635 INFO L93 Difference]: Finished difference Result 8562 states and 10753 transitions. [2023-12-19 04:15:04,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:04,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 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 235 [2023-12-19 04:15:04,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:04,654 INFO L225 Difference]: With dead ends: 8562 [2023-12-19 04:15:04,655 INFO L226 Difference]: Without dead ends: 5482 [2023-12-19 04:15:04,661 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 [2023-12-19 04:15:04,664 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:04,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 337 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 04:15:04,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2023-12-19 04:15:04,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5477. [2023-12-19 04:15:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.168736303871439) internal successors, (6400), 5476 states have internal predecessors, (6400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6400 transitions. [2023-12-19 04:15:04,782 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6400 transitions. Word has length 235 [2023-12-19 04:15:04,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:04,783 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6400 transitions. [2023-12-19 04:15:04,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6400 transitions. [2023-12-19 04:15:04,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-12-19 04:15:04,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:04,788 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:04,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 04:15:04,789 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:04,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:04,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1588667605, now seen corresponding path program 1 times [2023-12-19 04:15:04,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:04,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199357488] [2023-12-19 04:15:04,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:04,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-19 04:15:05,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:05,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199357488] [2023-12-19 04:15:05,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199357488] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:05,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:05,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 04:15:05,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356833229] [2023-12-19 04:15:05,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:05,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:05,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:05,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:05,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:05,363 INFO L87 Difference]: Start difference. First operand 5477 states and 6400 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:06,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:06,851 INFO L93 Difference]: Finished difference Result 10654 states and 12488 transitions. [2023-12-19 04:15:06,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:06,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 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 337 [2023-12-19 04:15:06,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:06,869 INFO L225 Difference]: With dead ends: 10654 [2023-12-19 04:15:06,869 INFO L226 Difference]: Without dead ends: 5477 [2023-12-19 04:15:06,876 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 [2023-12-19 04:15:06,879 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:06,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 357 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-19 04:15:06,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5477 states. [2023-12-19 04:15:06,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5477 to 5477. [2023-12-19 04:15:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.1676406135865596) internal successors, (6394), 5476 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6394 transitions. [2023-12-19 04:15:06,977 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6394 transitions. Word has length 337 [2023-12-19 04:15:06,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:06,978 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6394 transitions. [2023-12-19 04:15:06,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 2 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6394 transitions. [2023-12-19 04:15:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-12-19 04:15:06,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:06,983 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, 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, 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, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:06,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 04:15:06,983 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:06,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:06,984 INFO L85 PathProgramCache]: Analyzing trace with hash -231029072, now seen corresponding path program 1 times [2023-12-19 04:15:06,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:06,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613119905] [2023-12-19 04:15:06,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-19 04:15:07,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:07,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613119905] [2023-12-19 04:15:07,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613119905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:07,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:07,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:07,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331393005] [2023-12-19 04:15:07,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:07,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:07,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:07,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:07,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:07,200 INFO L87 Difference]: Start difference. First operand 5477 states and 6394 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:08,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:08,867 INFO L93 Difference]: Finished difference Result 11850 states and 14150 transitions. [2023-12-19 04:15:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:08,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 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 352 [2023-12-19 04:15:08,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:08,889 INFO L225 Difference]: With dead ends: 11850 [2023-12-19 04:15:08,889 INFO L226 Difference]: Without dead ends: 6673 [2023-12-19 04:15:08,896 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 [2023-12-19 04:15:08,897 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 248 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:08,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 320 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 04:15:08,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6673 states. [2023-12-19 04:15:08,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6673 to 4875. [2023-12-19 04:15:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4875 states, 4874 states have (on average 1.1805498563807961) internal successors, (5754), 4874 states have internal predecessors, (5754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 5754 transitions. [2023-12-19 04:15:08,989 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 5754 transitions. Word has length 352 [2023-12-19 04:15:08,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:08,989 INFO L495 AbstractCegarLoop]: Abstraction has 4875 states and 5754 transitions. [2023-12-19 04:15:08,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 5754 transitions. [2023-12-19 04:15:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-12-19 04:15:08,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:08,997 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:08,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 04:15:08,997 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:08,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash -751959939, now seen corresponding path program 1 times [2023-12-19 04:15:08,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:08,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468462663] [2023-12-19 04:15:08,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:08,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-19 04:15:09,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:09,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468462663] [2023-12-19 04:15:09,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468462663] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:09,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:09,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:09,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843084990] [2023-12-19 04:15:09,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:09,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:09,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:09,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:09,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:09,321 INFO L87 Difference]: Start difference. First operand 4875 states and 5754 transitions. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:11,027 INFO L93 Difference]: Finished difference Result 11851 states and 14243 transitions. [2023-12-19 04:15:11,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:11,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 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 411 [2023-12-19 04:15:11,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:11,068 INFO L225 Difference]: With dead ends: 11851 [2023-12-19 04:15:11,069 INFO L226 Difference]: Without dead ends: 7276 [2023-12-19 04:15:11,078 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 [2023-12-19 04:15:11,080 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 262 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:11,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 634 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 04:15:11,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2023-12-19 04:15:11,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 6379. [2023-12-19 04:15:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 6378 states have (on average 1.1558482282847287) internal successors, (7372), 6378 states have internal predecessors, (7372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 7372 transitions. [2023-12-19 04:15:11,199 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 7372 transitions. Word has length 411 [2023-12-19 04:15:11,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:11,200 INFO L495 AbstractCegarLoop]: Abstraction has 6379 states and 7372 transitions. [2023-12-19 04:15:11,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 7372 transitions. [2023-12-19 04:15:11,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-19 04:15:11,207 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:11,207 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:11,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 04:15:11,208 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:11,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:11,212 INFO L85 PathProgramCache]: Analyzing trace with hash 64322001, now seen corresponding path program 1 times [2023-12-19 04:15:11,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:11,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672944115] [2023-12-19 04:15:11,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 04:15:11,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:11,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672944115] [2023-12-19 04:15:11,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672944115] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:11,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:11,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:11,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549232702] [2023-12-19 04:15:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:11,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:11,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:11,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:11,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:11,539 INFO L87 Difference]: Start difference. First operand 6379 states and 7372 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:13,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:13,062 INFO L93 Difference]: Finished difference Result 14562 states and 17151 transitions. [2023-12-19 04:15:13,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:13,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 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 417 [2023-12-19 04:15:13,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:13,080 INFO L225 Difference]: With dead ends: 14562 [2023-12-19 04:15:13,080 INFO L226 Difference]: Without dead ends: 8483 [2023-12-19 04:15:13,087 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 [2023-12-19 04:15:13,087 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 250 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:13,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 598 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-19 04:15:13,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8483 states. [2023-12-19 04:15:13,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8483 to 8181. [2023-12-19 04:15:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8181 states, 8180 states have (on average 1.1355745721271393) internal successors, (9289), 8180 states have internal predecessors, (9289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8181 states to 8181 states and 9289 transitions. [2023-12-19 04:15:13,215 INFO L78 Accepts]: Start accepts. Automaton has 8181 states and 9289 transitions. Word has length 417 [2023-12-19 04:15:13,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:13,216 INFO L495 AbstractCegarLoop]: Abstraction has 8181 states and 9289 transitions. [2023-12-19 04:15:13,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 8181 states and 9289 transitions. [2023-12-19 04:15:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-12-19 04:15:13,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:13,223 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:13,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 04:15:13,224 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:13,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash -549187984, now seen corresponding path program 1 times [2023-12-19 04:15:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187216278] [2023-12-19 04:15:13,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:13,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-19 04:15:13,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:13,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187216278] [2023-12-19 04:15:13,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187216278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:13,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:13,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:13,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348723878] [2023-12-19 04:15:13,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:13,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:13,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:13,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:13,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:13,537 INFO L87 Difference]: Start difference. First operand 8181 states and 9289 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:15,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:15,228 INFO L93 Difference]: Finished difference Result 17856 states and 20649 transitions. [2023-12-19 04:15:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:15,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 433 [2023-12-19 04:15:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:15,246 INFO L225 Difference]: With dead ends: 17856 [2023-12-19 04:15:15,246 INFO L226 Difference]: Without dead ends: 9975 [2023-12-19 04:15:15,255 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 [2023-12-19 04:15:15,256 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 245 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:15,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 616 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 04:15:15,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9975 states. [2023-12-19 04:15:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9975 to 9672. [2023-12-19 04:15:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9672 states, 9671 states have (on average 1.1267707579360977) internal successors, (10897), 9671 states have internal predecessors, (10897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:15,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9672 states to 9672 states and 10897 transitions. [2023-12-19 04:15:15,454 INFO L78 Accepts]: Start accepts. Automaton has 9672 states and 10897 transitions. Word has length 433 [2023-12-19 04:15:15,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:15,455 INFO L495 AbstractCegarLoop]: Abstraction has 9672 states and 10897 transitions. [2023-12-19 04:15:15,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9672 states and 10897 transitions. [2023-12-19 04:15:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2023-12-19 04:15:15,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:15,461 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:15,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 04:15:15,462 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:15,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:15,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1472980925, now seen corresponding path program 1 times [2023-12-19 04:15:15,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:15,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697439427] [2023-12-19 04:15:15,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:15,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-12-19 04:15:15,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:15,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697439427] [2023-12-19 04:15:15,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697439427] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:15,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:15,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:15,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710359586] [2023-12-19 04:15:15,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:15,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:15,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:15,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:15,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:15,746 INFO L87 Difference]: Start difference. First operand 9672 states and 10897 transitions. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:17,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:17,142 INFO L93 Difference]: Finished difference Result 21435 states and 24445 transitions. [2023-12-19 04:15:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:17,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 529 [2023-12-19 04:15:17,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:17,165 INFO L225 Difference]: With dead ends: 21435 [2023-12-19 04:15:17,165 INFO L226 Difference]: Without dead ends: 12063 [2023-12-19 04:15:17,176 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 [2023-12-19 04:15:17,177 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 349 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:17,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 444 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 04:15:17,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12063 states. [2023-12-19 04:15:17,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12063 to 12063. [2023-12-19 04:15:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12063 states, 12062 states have (on average 1.1321505554634388) internal successors, (13656), 12062 states have internal predecessors, (13656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12063 states to 12063 states and 13656 transitions. [2023-12-19 04:15:17,329 INFO L78 Accepts]: Start accepts. Automaton has 12063 states and 13656 transitions. Word has length 529 [2023-12-19 04:15:17,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:17,329 INFO L495 AbstractCegarLoop]: Abstraction has 12063 states and 13656 transitions. [2023-12-19 04:15:17,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 12063 states and 13656 transitions. [2023-12-19 04:15:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2023-12-19 04:15:17,336 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:17,336 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:17,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 04:15:17,337 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:17,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:17,337 INFO L85 PathProgramCache]: Analyzing trace with hash -220071425, now seen corresponding path program 1 times [2023-12-19 04:15:17,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:17,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676156202] [2023-12-19 04:15:17,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:17,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 491 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-12-19 04:15:17,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:17,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676156202] [2023-12-19 04:15:17,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676156202] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:17,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:17,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:17,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246904448] [2023-12-19 04:15:17,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:17,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:17,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:17,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:17,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:17,861 INFO L87 Difference]: Start difference. First operand 12063 states and 13656 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:19,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:19,480 INFO L93 Difference]: Finished difference Result 28624 states and 32701 transitions. [2023-12-19 04:15:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:19,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 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 553 [2023-12-19 04:15:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:19,516 INFO L225 Difference]: With dead ends: 28624 [2023-12-19 04:15:19,516 INFO L226 Difference]: Without dead ends: 16861 [2023-12-19 04:15:19,531 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 [2023-12-19 04:15:19,532 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 246 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:19,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 618 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-19 04:15:19,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16861 states. [2023-12-19 04:15:19,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16861 to 15953. [2023-12-19 04:15:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15953 states, 15952 states have (on average 1.125438816449348) internal successors, (17953), 15952 states have internal predecessors, (17953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:19,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15953 states to 15953 states and 17953 transitions. [2023-12-19 04:15:19,817 INFO L78 Accepts]: Start accepts. Automaton has 15953 states and 17953 transitions. Word has length 553 [2023-12-19 04:15:19,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:19,818 INFO L495 AbstractCegarLoop]: Abstraction has 15953 states and 17953 transitions. [2023-12-19 04:15:19,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 15953 states and 17953 transitions. [2023-12-19 04:15:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2023-12-19 04:15:19,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:19,829 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:19,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 04:15:19,829 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:19,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:19,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1497999487, now seen corresponding path program 1 times [2023-12-19 04:15:19,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:19,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429053525] [2023-12-19 04:15:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 624 proven. 39 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-19 04:15:20,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:20,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429053525] [2023-12-19 04:15:20,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429053525] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 04:15:20,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338668916] [2023-12-19 04:15:20,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 04:15:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 04:15:20,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 04:15:20,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 04:15:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:20,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 04:15:20,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 04:15:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 663 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-19 04:15:21,851 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 04:15:21,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338668916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:21,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 04:15:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-19 04:15:21,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495086931] [2023-12-19 04:15:21,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:21,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 04:15:21,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:21,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 04:15:21,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-19 04:15:21,854 INFO L87 Difference]: Start difference. First operand 15953 states and 17953 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:23,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:23,719 INFO L93 Difference]: Finished difference Result 33702 states and 37865 transitions. [2023-12-19 04:15:23,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 04:15:23,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 620 [2023-12-19 04:15:23,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:23,749 INFO L225 Difference]: With dead ends: 33702 [2023-12-19 04:15:23,750 INFO L226 Difference]: Without dead ends: 17451 [2023-12-19 04:15:23,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-19 04:15:23,768 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 316 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:23,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 388 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-19 04:15:23,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17451 states. [2023-12-19 04:15:23,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17451 to 16850. [2023-12-19 04:15:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16850 states, 16849 states have (on average 1.1204225770075376) internal successors, (18878), 16849 states have internal predecessors, (18878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16850 states to 16850 states and 18878 transitions. [2023-12-19 04:15:24,116 INFO L78 Accepts]: Start accepts. Automaton has 16850 states and 18878 transitions. Word has length 620 [2023-12-19 04:15:24,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:24,117 INFO L495 AbstractCegarLoop]: Abstraction has 16850 states and 18878 transitions. [2023-12-19 04:15:24,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 16850 states and 18878 transitions. [2023-12-19 04:15:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2023-12-19 04:15:24,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:24,129 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:24,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 04:15:24,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-19 04:15:24,337 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:24,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:24,338 INFO L85 PathProgramCache]: Analyzing trace with hash -538602802, now seen corresponding path program 1 times [2023-12-19 04:15:24,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:24,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815806988] [2023-12-19 04:15:24,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:24,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-12-19 04:15:24,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:24,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815806988] [2023-12-19 04:15:24,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815806988] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:24,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:24,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:24,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347204395] [2023-12-19 04:15:24,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:24,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:24,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:24,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:24,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:24,759 INFO L87 Difference]: Start difference. First operand 16850 states and 18878 transitions. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:26,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:26,178 INFO L93 Difference]: Finished difference Result 33697 states and 37753 transitions. [2023-12-19 04:15:26,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:26,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 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 645 [2023-12-19 04:15:26,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:26,209 INFO L225 Difference]: With dead ends: 33697 [2023-12-19 04:15:26,209 INFO L226 Difference]: Without dead ends: 16848 [2023-12-19 04:15:26,225 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 [2023-12-19 04:15:26,226 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 464 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:26,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 69 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 04:15:26,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16848 states. [2023-12-19 04:15:26,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16848 to 16848. [2023-12-19 04:15:26,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16848 states, 16847 states have (on average 1.1203181575354662) internal successors, (18874), 16847 states have internal predecessors, (18874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16848 states to 16848 states and 18874 transitions. [2023-12-19 04:15:26,437 INFO L78 Accepts]: Start accepts. Automaton has 16848 states and 18874 transitions. Word has length 645 [2023-12-19 04:15:26,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:26,438 INFO L495 AbstractCegarLoop]: Abstraction has 16848 states and 18874 transitions. [2023-12-19 04:15:26,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 16848 states and 18874 transitions. [2023-12-19 04:15:26,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2023-12-19 04:15:26,508 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:26,508 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:26,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 04:15:26,509 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:26,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:26,509 INFO L85 PathProgramCache]: Analyzing trace with hash -529745742, now seen corresponding path program 1 times [2023-12-19 04:15:26,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:26,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560592651] [2023-12-19 04:15:26,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:26,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-12-19 04:15:26,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:26,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560592651] [2023-12-19 04:15:26,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560592651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:26,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:26,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:26,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243854559] [2023-12-19 04:15:26,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:26,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:26,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:26,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:26,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:26,918 INFO L87 Difference]: Start difference. First operand 16848 states and 18874 transitions. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:28,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:28,417 INFO L93 Difference]: Finished difference Result 42364 states and 47426 transitions. [2023-12-19 04:15:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:28,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 666 [2023-12-19 04:15:28,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:28,443 INFO L225 Difference]: With dead ends: 42364 [2023-12-19 04:15:28,443 INFO L226 Difference]: Without dead ends: 20733 [2023-12-19 04:15:28,460 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 [2023-12-19 04:15:28,461 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 250 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:28,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 642 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-19 04:15:28,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20733 states. [2023-12-19 04:15:28,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20733 to 18640. [2023-12-19 04:15:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18640 states, 18639 states have (on average 1.0787595901067655) internal successors, (20107), 18639 states have internal predecessors, (20107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18640 states to 18640 states and 20107 transitions. [2023-12-19 04:15:28,869 INFO L78 Accepts]: Start accepts. Automaton has 18640 states and 20107 transitions. Word has length 666 [2023-12-19 04:15:28,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:28,870 INFO L495 AbstractCegarLoop]: Abstraction has 18640 states and 20107 transitions. [2023-12-19 04:15:28,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 18640 states and 20107 transitions. [2023-12-19 04:15:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2023-12-19 04:15:28,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:28,883 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:28,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 04:15:28,883 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:28,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:28,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2145013352, now seen corresponding path program 1 times [2023-12-19 04:15:28,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:28,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285506940] [2023-12-19 04:15:28,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:28,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 545 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-19 04:15:29,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:29,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285506940] [2023-12-19 04:15:29,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285506940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:29,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:29,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:29,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726140720] [2023-12-19 04:15:29,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:29,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:29,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:29,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:29,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:29,563 INFO L87 Difference]: Start difference. First operand 18640 states and 20107 transitions. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:30,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:30,901 INFO L93 Difference]: Finished difference Result 42661 states and 46059 transitions. [2023-12-19 04:15:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:30,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 690 [2023-12-19 04:15:30,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:30,928 INFO L225 Difference]: With dead ends: 42661 [2023-12-19 04:15:30,929 INFO L226 Difference]: Without dead ends: 21331 [2023-12-19 04:15:30,946 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 [2023-12-19 04:15:30,947 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 85 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:30,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 565 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 04:15:30,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21331 states. [2023-12-19 04:15:31,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21331 to 21330. [2023-12-19 04:15:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21330 states, 21329 states have (on average 1.0712175910731867) internal successors, (22848), 21329 states have internal predecessors, (22848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21330 states to 21330 states and 22848 transitions. [2023-12-19 04:15:31,216 INFO L78 Accepts]: Start accepts. Automaton has 21330 states and 22848 transitions. Word has length 690 [2023-12-19 04:15:31,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:31,216 INFO L495 AbstractCegarLoop]: Abstraction has 21330 states and 22848 transitions. [2023-12-19 04:15:31,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 21330 states and 22848 transitions. [2023-12-19 04:15:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2023-12-19 04:15:31,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:31,227 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:31,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 04:15:31,227 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:31,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:31,228 INFO L85 PathProgramCache]: Analyzing trace with hash 106670016, now seen corresponding path program 1 times [2023-12-19 04:15:31,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:31,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775981152] [2023-12-19 04:15:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:31,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 635 proven. 190 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-19 04:15:32,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:32,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775981152] [2023-12-19 04:15:32,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775981152] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 04:15:32,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685125790] [2023-12-19 04:15:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 04:15:32,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 04:15:32,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 04:15:32,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 04:15:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:32,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 04:15:32,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 04:15:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-12-19 04:15:32,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 04:15:32,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685125790] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:32,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 04:15:32,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-19 04:15:32,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729809656] [2023-12-19 04:15:32,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:32,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:32,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:32,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:32,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-19 04:15:32,968 INFO L87 Difference]: Start difference. First operand 21330 states and 22848 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:34,461 INFO L93 Difference]: Finished difference Result 49261 states and 52801 transitions. [2023-12-19 04:15:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:34,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 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 697 [2023-12-19 04:15:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:34,496 INFO L225 Difference]: With dead ends: 49261 [2023-12-19 04:15:34,496 INFO L226 Difference]: Without dead ends: 27932 [2023-12-19 04:15:34,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-19 04:15:34,512 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 276 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:34,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 529 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 04:15:34,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27932 states. [2023-12-19 04:15:34,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27932 to 26124. [2023-12-19 04:15:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26124 states, 26123 states have (on average 1.0719672319412012) internal successors, (28003), 26123 states have internal predecessors, (28003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26124 states to 26124 states and 28003 transitions. [2023-12-19 04:15:34,895 INFO L78 Accepts]: Start accepts. Automaton has 26124 states and 28003 transitions. Word has length 697 [2023-12-19 04:15:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:34,896 INFO L495 AbstractCegarLoop]: Abstraction has 26124 states and 28003 transitions. [2023-12-19 04:15:34,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 26124 states and 28003 transitions. [2023-12-19 04:15:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2023-12-19 04:15:34,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:34,922 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-19 04:15:34,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-19 04:15:35,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-19 04:15:35,130 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:35,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2131773166, now seen corresponding path program 1 times [2023-12-19 04:15:35,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:35,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532018824] [2023-12-19 04:15:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:35,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 806 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-12-19 04:15:35,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:35,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532018824] [2023-12-19 04:15:35,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532018824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:35,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:35,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:35,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542117391] [2023-12-19 04:15:35,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:35,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:35,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:35,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:35,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:35,550 INFO L87 Difference]: Start difference. First operand 26124 states and 28003 transitions. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:36,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:36,880 INFO L93 Difference]: Finished difference Result 58225 states and 62508 transitions. [2023-12-19 04:15:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:36,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 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 825 [2023-12-19 04:15:36,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:36,921 INFO L225 Difference]: With dead ends: 58225 [2023-12-19 04:15:36,922 INFO L226 Difference]: Without dead ends: 32102 [2023-12-19 04:15:36,940 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 [2023-12-19 04:15:36,940 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 166 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:36,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 193 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-19 04:15:36,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32102 states. [2023-12-19 04:15:37,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32102 to 29112. [2023-12-19 04:15:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29112 states, 29111 states have (on average 1.0691834701659166) internal successors, (31125), 29111 states have internal predecessors, (31125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29112 states to 29112 states and 31125 transitions. [2023-12-19 04:15:37,383 INFO L78 Accepts]: Start accepts. Automaton has 29112 states and 31125 transitions. Word has length 825 [2023-12-19 04:15:37,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:37,383 INFO L495 AbstractCegarLoop]: Abstraction has 29112 states and 31125 transitions. [2023-12-19 04:15:37,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29112 states and 31125 transitions. [2023-12-19 04:15:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2023-12-19 04:15:37,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:37,407 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 04:15:37,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 04:15:37,408 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:37,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:37,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2035536288, now seen corresponding path program 1 times [2023-12-19 04:15:37,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:37,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291547589] [2023-12-19 04:15:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:37,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 866 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-12-19 04:15:39,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:39,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291547589] [2023-12-19 04:15:39,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291547589] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:39,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:39,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:39,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077431033] [2023-12-19 04:15:39,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:39,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:39,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:39,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:39,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:39,072 INFO L87 Difference]: Start difference. First operand 29112 states and 31125 transitions. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:40,459 INFO L93 Difference]: Finished difference Result 58528 states and 62560 transitions. [2023-12-19 04:15:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:40,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 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 885 [2023-12-19 04:15:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:40,490 INFO L225 Difference]: With dead ends: 58528 [2023-12-19 04:15:40,490 INFO L226 Difference]: Without dead ends: 29417 [2023-12-19 04:15:40,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:40,507 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 133 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:40,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 126 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 04:15:40,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29417 states. [2023-12-19 04:15:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29417 to 29112. [2023-12-19 04:15:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29112 states, 29111 states have (on average 1.0638933736388307) internal successors, (30971), 29111 states have internal predecessors, (30971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29112 states to 29112 states and 30971 transitions. [2023-12-19 04:15:40,876 INFO L78 Accepts]: Start accepts. Automaton has 29112 states and 30971 transitions. Word has length 885 [2023-12-19 04:15:40,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:40,877 INFO L495 AbstractCegarLoop]: Abstraction has 29112 states and 30971 transitions. [2023-12-19 04:15:40,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 29112 states and 30971 transitions. [2023-12-19 04:15:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2023-12-19 04:15:40,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:40,899 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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] [2023-12-19 04:15:40,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-19 04:15:40,899 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:40,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:40,900 INFO L85 PathProgramCache]: Analyzing trace with hash -204741079, now seen corresponding path program 1 times [2023-12-19 04:15:40,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:40,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761111277] [2023-12-19 04:15:40,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:40,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 888 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2023-12-19 04:15:41,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:41,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761111277] [2023-12-19 04:15:41,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761111277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:41,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:41,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:41,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414441024] [2023-12-19 04:15:41,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:41,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:41,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:41,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:41,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:41,579 INFO L87 Difference]: Start difference. First operand 29112 states and 30971 transitions. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:43,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:43,075 INFO L93 Difference]: Finished difference Result 62110 states and 66044 transitions. [2023-12-19 04:15:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:43,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 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 907 [2023-12-19 04:15:43,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:43,105 INFO L225 Difference]: With dead ends: 62110 [2023-12-19 04:15:43,106 INFO L226 Difference]: Without dead ends: 32999 [2023-12-19 04:15:43,119 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 [2023-12-19 04:15:43,120 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 101 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:43,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 160 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 04:15:43,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32999 states. [2023-12-19 04:15:43,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32999 to 30009. [2023-12-19 04:15:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30009 states, 30008 states have (on average 1.0603838976272995) internal successors, (31820), 30008 states have internal predecessors, (31820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30009 states to 30009 states and 31820 transitions. [2023-12-19 04:15:43,400 INFO L78 Accepts]: Start accepts. Automaton has 30009 states and 31820 transitions. Word has length 907 [2023-12-19 04:15:43,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:43,400 INFO L495 AbstractCegarLoop]: Abstraction has 30009 states and 31820 transitions. [2023-12-19 04:15:43,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 30009 states and 31820 transitions. [2023-12-19 04:15:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964 [2023-12-19 04:15:43,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:43,420 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 3, 3, 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] [2023-12-19 04:15:43,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-19 04:15:43,421 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:43,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:43,421 INFO L85 PathProgramCache]: Analyzing trace with hash -663103552, now seen corresponding path program 1 times [2023-12-19 04:15:43,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:43,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299549829] [2023-12-19 04:15:43,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:43,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2023-12-19 04:15:44,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:44,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299549829] [2023-12-19 04:15:44,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299549829] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:44,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:44,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:15:44,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500407124] [2023-12-19 04:15:44,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:44,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:15:44,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:44,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:15:44,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:15:44,043 INFO L87 Difference]: Start difference. First operand 30009 states and 31820 transitions. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:45,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:45,200 INFO L93 Difference]: Finished difference Result 61507 states and 65033 transitions. [2023-12-19 04:15:45,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:15:45,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 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 963 [2023-12-19 04:15:45,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:45,232 INFO L225 Difference]: With dead ends: 61507 [2023-12-19 04:15:45,232 INFO L226 Difference]: Without dead ends: 29107 [2023-12-19 04:15:45,257 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 [2023-12-19 04:15:45,258 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 315 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:45,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 550 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 04:15:45,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29107 states. [2023-12-19 04:15:45,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29107 to 26414. [2023-12-19 04:15:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26414 states, 26413 states have (on average 1.053988566236323) internal successors, (27839), 26413 states have internal predecessors, (27839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26414 states to 26414 states and 27839 transitions. [2023-12-19 04:15:45,541 INFO L78 Accepts]: Start accepts. Automaton has 26414 states and 27839 transitions. Word has length 963 [2023-12-19 04:15:45,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:45,542 INFO L495 AbstractCegarLoop]: Abstraction has 26414 states and 27839 transitions. [2023-12-19 04:15:45,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 26414 states and 27839 transitions. [2023-12-19 04:15:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2023-12-19 04:15:45,706 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:45,707 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-19 04:15:45,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-19 04:15:45,707 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:45,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:45,708 INFO L85 PathProgramCache]: Analyzing trace with hash 739144420, now seen corresponding path program 1 times [2023-12-19 04:15:45,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:45,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851427906] [2023-12-19 04:15:45,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:45,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 916 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-12-19 04:15:46,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:46,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851427906] [2023-12-19 04:15:46,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851427906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:15:46,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:15:46,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 04:15:46,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222605745] [2023-12-19 04:15:46,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:15:46,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 04:15:46,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:46,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 04:15:46,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 04:15:46,649 INFO L87 Difference]: Start difference. First operand 26414 states and 27839 transitions. Second operand has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:15:48,503 INFO L93 Difference]: Finished difference Result 63019 states and 66198 transitions. [2023-12-19 04:15:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 04:15:48,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 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 997 [2023-12-19 04:15:48,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:15:48,543 INFO L225 Difference]: With dead ends: 63019 [2023-12-19 04:15:48,543 INFO L226 Difference]: Without dead ends: 36606 [2023-12-19 04:15:48,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 04:15:48,563 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 375 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-19 04:15:48,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 130 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-19 04:15:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36606 states. [2023-12-19 04:15:48,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36606 to 28214. [2023-12-19 04:15:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28214 states, 28213 states have (on average 1.0535923155991918) internal successors, (29725), 28213 states have internal predecessors, (29725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28214 states to 28214 states and 29725 transitions. [2023-12-19 04:15:49,000 INFO L78 Accepts]: Start accepts. Automaton has 28214 states and 29725 transitions. Word has length 997 [2023-12-19 04:15:49,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:15:49,001 INFO L495 AbstractCegarLoop]: Abstraction has 28214 states and 29725 transitions. [2023-12-19 04:15:49,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:15:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 28214 states and 29725 transitions. [2023-12-19 04:15:49,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1043 [2023-12-19 04:15:49,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:15:49,020 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-19 04:15:49,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-19 04:15:49,021 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:15:49,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:15:49,021 INFO L85 PathProgramCache]: Analyzing trace with hash 64954266, now seen corresponding path program 1 times [2023-12-19 04:15:49,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:15:49,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837159798] [2023-12-19 04:15:49,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:49,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:15:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 255 proven. 706 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-12-19 04:15:50,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:15:50,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837159798] [2023-12-19 04:15:50,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837159798] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 04:15:50,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246663238] [2023-12-19 04:15:50,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:15:50,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 04:15:50,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 04:15:50,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 04:15:50,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 04:15:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:15:50,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 04:15:50,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 04:15:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 255 proven. 706 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-12-19 04:15:56,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 04:15:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1594 backedges. 255 proven. 706 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-12-19 04:15:57,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246663238] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 04:15:57,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 04:15:57,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-19 04:15:57,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182303276] [2023-12-19 04:15:57,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 04:15:57,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 04:15:57,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:15:57,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 04:15:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-19 04:15:57,355 INFO L87 Difference]: Start difference. First operand 28214 states and 29725 transitions. Second operand has 10 states, 10 states have (on average 154.4) internal successors, (1544), 9 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:01,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:16:01,902 INFO L93 Difference]: Finished difference Result 78619 states and 82523 transitions. [2023-12-19 04:16:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 04:16:01,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 154.4) internal successors, (1544), 9 states have internal predecessors, (1544), 0 states have call successors, (0), 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 1042 [2023-12-19 04:16:01,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:16:01,952 INFO L225 Difference]: With dead ends: 78619 [2023-12-19 04:16:01,952 INFO L226 Difference]: Without dead ends: 50406 [2023-12-19 04:16:01,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2086 GetRequests, 2078 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-19 04:16:01,968 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 1286 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 733 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-19 04:16:01,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 218 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [733 Valid, 3866 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-19 04:16:02,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50406 states. [2023-12-19 04:16:02,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50406 to 27616. [2023-12-19 04:16:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27616 states, 27615 states have (on average 1.0537026978091617) internal successors, (29098), 27615 states have internal predecessors, (29098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27616 states to 27616 states and 29098 transitions. [2023-12-19 04:16:02,327 INFO L78 Accepts]: Start accepts. Automaton has 27616 states and 29098 transitions. Word has length 1042 [2023-12-19 04:16:02,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:16:02,327 INFO L495 AbstractCegarLoop]: Abstraction has 27616 states and 29098 transitions. [2023-12-19 04:16:02,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 154.4) internal successors, (1544), 9 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:02,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27616 states and 29098 transitions. [2023-12-19 04:16:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2023-12-19 04:16:02,352 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:16:02,353 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1] [2023-12-19 04:16:02,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-19 04:16:02,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 04:16:02,554 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:16:02,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:16:02,555 INFO L85 PathProgramCache]: Analyzing trace with hash 745771930, now seen corresponding path program 1 times [2023-12-19 04:16:02,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:16:02,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573758344] [2023-12-19 04:16:02,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:16:02,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:16:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:16:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 2015 proven. 0 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2023-12-19 04:16:04,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:16:04,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573758344] [2023-12-19 04:16:04,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573758344] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:16:04,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 04:16:04,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 04:16:04,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592860838] [2023-12-19 04:16:04,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:16:04,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:16:04,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:16:04,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:16:04,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:16:04,230 INFO L87 Difference]: Start difference. First operand 27616 states and 29098 transitions. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:16:05,277 INFO L93 Difference]: Finished difference Result 55230 states and 58165 transitions. [2023-12-19 04:16:05,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:16:05,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 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 1283 [2023-12-19 04:16:05,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:16:05,307 INFO L225 Difference]: With dead ends: 55230 [2023-12-19 04:16:05,307 INFO L226 Difference]: Without dead ends: 27615 [2023-12-19 04:16:05,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 04:16:05,323 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 176 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 04:16:05,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 112 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 04:16:05,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27615 states. [2023-12-19 04:16:05,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27615 to 25516. [2023-12-19 04:16:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25516 states, 25515 states have (on average 1.049225945522242) internal successors, (26771), 25515 states have internal predecessors, (26771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25516 states to 25516 states and 26771 transitions. [2023-12-19 04:16:05,578 INFO L78 Accepts]: Start accepts. Automaton has 25516 states and 26771 transitions. Word has length 1283 [2023-12-19 04:16:05,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:16:05,579 INFO L495 AbstractCegarLoop]: Abstraction has 25516 states and 26771 transitions. [2023-12-19 04:16:05,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:05,579 INFO L276 IsEmpty]: Start isEmpty. Operand 25516 states and 26771 transitions. [2023-12-19 04:16:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1308 [2023-12-19 04:16:05,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:16:05,601 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-19 04:16:05,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-19 04:16:05,601 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:16:05,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:16:05,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1352378305, now seen corresponding path program 1 times [2023-12-19 04:16:05,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:16:05,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342404487] [2023-12-19 04:16:05,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:16:05,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:16:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:16:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3588 backedges. 2211 proven. 598 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2023-12-19 04:16:07,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:16:07,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342404487] [2023-12-19 04:16:07,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342404487] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 04:16:07,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834764117] [2023-12-19 04:16:07,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:16:07,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 04:16:07,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 04:16:07,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 04:16:07,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 04:16:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:16:07,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 04:16:07,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 04:16:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3588 backedges. 2389 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2023-12-19 04:16:08,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 04:16:08,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834764117] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:16:08,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 04:16:08,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-19 04:16:08,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839866414] [2023-12-19 04:16:08,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:16:08,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:16:08,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:16:08,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:16:08,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-19 04:16:08,071 INFO L87 Difference]: Start difference. First operand 25516 states and 26771 transitions. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:16:09,237 INFO L93 Difference]: Finished difference Result 53720 states and 56307 transitions. [2023-12-19 04:16:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:16:09,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 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 1307 [2023-12-19 04:16:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:16:09,267 INFO L225 Difference]: With dead ends: 53720 [2023-12-19 04:16:09,267 INFO L226 Difference]: Without dead ends: 25514 [2023-12-19 04:16:09,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1312 GetRequests, 1307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-19 04:16:09,284 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 274 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 04:16:09,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 412 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 04:16:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25514 states. [2023-12-19 04:16:09,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25514 to 23421. [2023-12-19 04:16:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23421 states, 23420 states have (on average 1.0366780529461999) internal successors, (24279), 23420 states have internal predecessors, (24279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23421 states to 23421 states and 24279 transitions. [2023-12-19 04:16:09,514 INFO L78 Accepts]: Start accepts. Automaton has 23421 states and 24279 transitions. Word has length 1307 [2023-12-19 04:16:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:16:09,515 INFO L495 AbstractCegarLoop]: Abstraction has 23421 states and 24279 transitions. [2023-12-19 04:16:09,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 23421 states and 24279 transitions. [2023-12-19 04:16:09,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1337 [2023-12-19 04:16:09,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 04:16:09,538 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2023-12-19 04:16:09,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 04:16:09,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-12-19 04:16:09,739 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 04:16:09,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 04:16:09,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1733049006, now seen corresponding path program 1 times [2023-12-19 04:16:09,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 04:16:09,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997842038] [2023-12-19 04:16:09,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:16:09,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 04:16:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:16:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3212 backedges. 1868 proven. 744 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-12-19 04:16:11,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 04:16:11,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997842038] [2023-12-19 04:16:11,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997842038] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 04:16:11,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814846412] [2023-12-19 04:16:11,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 04:16:11,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 04:16:11,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 04:16:11,628 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 04:16:11,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 04:16:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 04:16:11,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 04:16:12,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 04:16:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3212 backedges. 2121 proven. 0 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2023-12-19 04:16:12,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 04:16:12,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814846412] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 04:16:12,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 04:16:12,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-19 04:16:12,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035830334] [2023-12-19 04:16:12,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 04:16:12,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 04:16:12,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 04:16:12,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 04:16:12,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 04:16:12,315 INFO L87 Difference]: Start difference. First operand 23421 states and 24279 transitions. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 04:16:13,116 INFO L93 Difference]: Finished difference Result 33621 states and 34761 transitions. [2023-12-19 04:16:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 04:16:13,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 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 1336 [2023-12-19 04:16:13,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 04:16:13,118 INFO L225 Difference]: With dead ends: 33621 [2023-12-19 04:16:13,118 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 04:16:13,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1341 GetRequests, 1336 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 04:16:13,128 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 62 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 04:16:13,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 405 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 04:16:13,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 04:16:13,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 04:16:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 04:16:13,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1336 [2023-12-19 04:16:13,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 04:16:13,129 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 04:16:13,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 04:16:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 04:16:13,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 04:16:13,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 04:16:13,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 04:16:13,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-12-19 04:16:13,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,173 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,174 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,175 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,176 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2023-12-19 04:16:20,177 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,178 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,179 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,180 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1668 1768) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,181 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2023-12-19 04:16:20,182 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,183 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,184 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,185 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,186 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L1770(lines 1770 1786) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,187 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,188 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,189 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse2 (= 3 ~a2~0))) (let ((.cse8 (<= 0 (+ ~a29~0 14))) (.cse13 (<= 0 (+ (div (* 9 ~a0~0) 10) 4794))) (.cse7 (<= 0 (+ ~a0~0 60))) (.cse5 (= 2 ~a2~0)) (.cse14 (<= 0 (+ 600177 ~a0~0))) (.cse12 (<= 5 ~a2~0)) (.cse15 (= ~a2~0 1)) (.cse11 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= 0 (+ ~a4~0 85))) (.cse16 (<= 44 ~a29~0)) (.cse4 (<= (+ ~a0~0 99) 0)) (.cse17 (<= (+ ~a29~0 127) 0)) (.cse18 (= ~a2~0 4)) (.cse10 (not .cse2)) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse9 (<= (+ 98 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse5 .cse3 .cse9) (and .cse8 .cse10 .cse6 .cse11) (and .cse8 .cse0 .cse3 .cse12 .cse13 .cse11) (and .cse0 .cse3 .cse4 .cse12 .cse13) (and .cse0 .cse3 .cse14 .cse15) (and .cse6 .cse7 .cse12) (and .cse0 .cse16 .cse1 .cse12) (and .cse0 .cse1 .cse15 (exists ((v_z_35 Int) (v_y_35 Int)) (and (<= 0 (+ (* v_y_35 10) 44 (* v_z_35 9))) (<= 0 v_z_35) (<= v_z_35 9) (<= (+ (div (* v_z_35 81) 10) (* v_y_35 9)) (+ 595383 ~a0~0))))) (and .cse0 .cse5 .cse3 .cse1) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse2) (and .cse6 .cse15 .cse17) (and .cse0 .cse3 .cse14 .cse1 .cse12) (and .cse4 .cse6) (and (<= 0 (+ ~a0~0 459337)) .cse0 .cse15 .cse11) (and .cse0 .cse3 .cse1 .cse18) (and .cse0 .cse3 .cse16 .cse4 .cse18) (and .cse6 .cse2 .cse17) (and .cse6 .cse18) (and .cse10 .cse6 .cse9)))) [2023-12-19 04:16:20,189 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,189 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,189 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,189 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,189 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,190 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,191 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,192 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,193 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,194 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,195 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2023-12-19 04:16:20,196 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,196 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2023-12-19 04:16:20,208 INFO L445 BasicCegarLoop]: Path program 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] [2023-12-19 04:16:20,210 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 04:16:20,231 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_z_35 : int, v_y_35 : int :: ((0 <= v_y_35 * 10 + 44 + v_z_35 * 9 && 0 <= v_z_35) && v_z_35 <= 9) && v_z_35 * 81 / 10 + v_y_35 * 9 <= 595383 + ~a0~0) could not be translated [2023-12-19 04:16:20,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 04:16:20 BoogieIcfgContainer [2023-12-19 04:16:20,234 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 04:16:20,234 INFO L158 Benchmark]: Toolchain (without parser) took 91614.85ms. Allocated memory was 240.1MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 181.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-12-19 04:16:20,234 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 240.1MB. Free memory is still 186.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 04:16:20,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.37ms. Allocated memory was 240.1MB in the beginning and 418.4MB in the end (delta: 178.3MB). Free memory was 181.2MB in the beginning and 338.5MB in the end (delta: -157.3MB). Peak memory consumption was 43.7MB. Max. memory is 8.0GB. [2023-12-19 04:16:20,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.70ms. Allocated memory is still 418.4MB. Free memory was 338.5MB in the beginning and 299.2MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-12-19 04:16:20,235 INFO L158 Benchmark]: Boogie Preprocessor took 277.71ms. Allocated memory is still 418.4MB. Free memory was 299.2MB in the beginning and 239.9MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-12-19 04:16:20,235 INFO L158 Benchmark]: RCFGBuilder took 2794.85ms. Allocated memory is still 418.4MB. Free memory was 239.9MB in the beginning and 269.4MB in the end (delta: -29.5MB). Peak memory consumption was 162.4MB. Max. memory is 8.0GB. [2023-12-19 04:16:20,235 INFO L158 Benchmark]: TraceAbstraction took 87378.71ms. Allocated memory was 418.4MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 268.9MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2023-12-19 04:16:20,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 240.1MB. Free memory is still 186.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 938.37ms. Allocated memory was 240.1MB in the beginning and 418.4MB in the end (delta: 178.3MB). Free memory was 181.2MB in the beginning and 338.5MB in the end (delta: -157.3MB). Peak memory consumption was 43.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 217.70ms. Allocated memory is still 418.4MB. Free memory was 338.5MB in the beginning and 299.2MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 277.71ms. Allocated memory is still 418.4MB. Free memory was 299.2MB in the beginning and 239.9MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * RCFGBuilder took 2794.85ms. Allocated memory is still 418.4MB. Free memory was 239.9MB in the beginning and 269.4MB in the end (delta: -29.5MB). Peak memory consumption was 162.4MB. Max. memory is 8.0GB. * TraceAbstraction took 87378.71ms. Allocated memory was 418.4MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 268.9MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_z_35 : int, v_y_35 : int :: ((0 <= v_y_35 * 10 + 44 + v_z_35 * 9 && 0 <= v_z_35) && v_z_35 <= 9) && v_z_35 * 81 / 10 + v_y_35 * 9 <= 595383 + ~a0~0) could not be translated * 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 - PositiveResult [Line: 215]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 362 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.3s, OverallIterations: 27, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 44.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8152 SdHoareTripleChecker+Valid, 39.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8152 mSDsluCounter, 10361 SdHoareTripleChecker+Invalid, 33.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1038 mSDsCounter, 5479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28548 IncrementalHoareTripleChecker+Invalid, 34027 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5479 mSolverCounterUnsat, 9323 mSDtfsCounter, 28548 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6137 GetRequests, 6085 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30009occurred in iteration=21, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 27 MinimizatonAttempts, 53407 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 79 NumberOfFragments, 428 HoareAnnotationTreeSize, 1 FormulaSimplifications, 31806 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 17088 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 21758 NumberOfCodeBlocks, 21758 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 22767 ConstructedInterpolants, 332 QuantifiedInterpolants, 82074 SizeOfPredicates, 1 NumberOfNonLiveVariables, 5851 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 33691/37380 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((42 + a4) <= 0) && ((a0 + 147) <= 0)) && (3 == a2)) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 99) <= 0)) && (3 == a2))) || (((2 == a2) && ((89 + a4) <= 0)) && (0 <= (a0 + 60)))) || (((((0 <= (a29 + 14)) && ((42 + a4) <= 0)) && (2 == a2)) && (0 <= (a4 + 85))) && ((98 + a0) <= 0))) || ((((0 <= (a29 + 14)) && !((3 == a2))) && ((89 + a4) <= 0)) && ((a0 + 61) <= 0))) || ((((((0 <= (a29 + 14)) && ((42 + a4) <= 0)) && (0 <= (a4 + 85))) && (5 <= a2)) && (0 <= (((9 * a0) / 10) + 4794))) && ((a0 + 61) <= 0))) || ((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 99) <= 0)) && (5 <= a2)) && (0 <= (((9 * a0) / 10) + 4794)))) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (0 <= (600177 + a0))) && (a2 == 1))) || ((((89 + a4) <= 0) && (0 <= (a0 + 60))) && (5 <= a2))) || (((((42 + a4) <= 0) && (44 <= a29)) && ((a0 + 147) <= 0)) && (5 <= a2))) || ((((42 + a4) <= 0) && ((a0 + 147) <= 0)) && (a2 == 1))) || (((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0))) || (((0 <= (97 + a0)) && ((89 + a4) <= 0)) && (3 == a2))) || ((((89 + a4) <= 0) && (a2 == 1)) && ((a29 + 127) <= 0))) || ((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (0 <= (600177 + a0))) && ((a0 + 147) <= 0)) && (5 <= a2))) || (((a0 + 99) <= 0) && ((89 + a4) <= 0))) || ((((0 <= (a0 + 459337)) && ((42 + a4) <= 0)) && (a2 == 1)) && ((a0 + 61) <= 0))) || (((((42 + a4) <= 0) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (a2 == 4))) || ((((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (44 <= a29)) && ((a0 + 99) <= 0)) && (a2 == 4))) || ((((89 + a4) <= 0) && (3 == a2)) && ((a29 + 127) <= 0))) || (((89 + a4) <= 0) && (a2 == 4))) || ((!((3 == a2)) && ((89 + a4) <= 0)) && ((98 + a0) <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-19 04:16:20,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...