/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/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 09:42:51,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 09:42:52,041 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 09:42:52,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 09:42:52,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 09:42:52,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 09:42:52,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 09:42:52,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 09:42:52,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 09:42:52,074 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 09:42:52,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 09:42:52,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 09:42:52,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 09:42:52,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 09:42:52,076 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 09:42:52,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 09:42:52,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 09:42:52,077 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 09:42:52,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 09:42:52,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 09:42:52,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 09:42:52,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 09:42:52,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 09:42:52,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 09:42:52,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 09:42:52,079 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 09:42:52,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 09:42:52,079 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 09:42:52,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 09:42:52,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 09:42:52,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 09:42:52,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 09:42:52,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 09:42:52,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 09:42:52,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 09:42:52,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 09:42:52,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 09:42:52,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 09:42:52,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 09:42:52,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 09:42:52,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 09:42:52,280 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 09:42:52,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2023-12-19 09:42:53,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 09:42:53,516 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 09:42:53,517 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2023-12-19 09:42:53,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2473c1a33/9534e16e497341b5b2a7e405c0e016c8/FLAGf4295af08 [2023-12-19 09:42:53,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2473c1a33/9534e16e497341b5b2a7e405c0e016c8 [2023-12-19 09:42:53,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 09:42:53,549 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 09:42:53,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 09:42:53,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 09:42:53,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 09:42:53,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1372b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53, skipping insertion in model container [2023-12-19 09:42:53,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 09:42:53,721 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i[919,932] [2023-12-19 09:42:53,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 09:42:53,809 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 09:42:53,820 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i[919,932] [2023-12-19 09:42:53,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 09:42:53,879 INFO L206 MainTranslator]: Completed translation [2023-12-19 09:42:53,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53 WrapperNode [2023-12-19 09:42:53,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 09:42:53,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 09:42:53,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 09:42:53,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 09:42:53,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,930 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-12-19 09:42:53,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 09:42:53,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 09:42:53,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 09:42:53,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 09:42:53,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,986 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 09:42:53,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:53,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:54,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:54,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:54,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 09:42:54,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 09:42:54,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 09:42:54,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 09:42:54,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (1/1) ... [2023-12-19 09:42:54,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 09:42:54,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:42:54,040 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 09:42:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 09:42:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 09:42:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 09:42:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 09:42:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 09:42:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 09:42:54,064 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 09:42:54,148 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 09:42:54,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 09:42:54,555 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 09:42:54,583 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 09:42:54,583 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 09:42:54,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:42:54 BoogieIcfgContainer [2023-12-19 09:42:54,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 09:42:54,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 09:42:54,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 09:42:54,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 09:42:54,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 09:42:53" (1/3) ... [2023-12-19 09:42:54,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe71cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:42:54, skipping insertion in model container [2023-12-19 09:42:54,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:42:53" (2/3) ... [2023-12-19 09:42:54,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe71cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:42:54, skipping insertion in model container [2023-12-19 09:42:54,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:42:54" (3/3) ... [2023-12-19 09:42:54,589 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2023-12-19 09:42:54,602 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 09:42:54,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 09:42:54,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 09:42:54,651 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;@76b8f5c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 09:42:54,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 09:42:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 62 states have (on average 1.564516129032258) internal successors, (97), 63 states have internal predecessors, (97), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 09:42:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 09:42:54,668 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:54,669 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:54,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:54,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1565966231, now seen corresponding path program 1 times [2023-12-19 09:42:54,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:54,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991992858] [2023-12-19 09:42:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:54,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:55,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:55,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991992858] [2023-12-19 09:42:55,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991992858] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:55,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:55,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 09:42:55,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748761666] [2023-12-19 09:42:55,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:55,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 09:42:55,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:55,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 09:42:55,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 09:42:55,066 INFO L87 Difference]: Start difference. First operand has 87 states, 62 states have (on average 1.564516129032258) internal successors, (97), 63 states have internal predecessors, (97), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 09:42:55,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:55,118 INFO L93 Difference]: Finished difference Result 169 states and 298 transitions. [2023-12-19 09:42:55,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 09:42:55,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 155 [2023-12-19 09:42:55,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:55,126 INFO L225 Difference]: With dead ends: 169 [2023-12-19 09:42:55,126 INFO L226 Difference]: Without dead ends: 83 [2023-12-19 09:42:55,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 09:42:55,131 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:55,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:42:55,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-19 09:42:55,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-12-19 09:42:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 59 states have internal predecessors, (86), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 09:42:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 130 transitions. [2023-12-19 09:42:55,170 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 130 transitions. Word has length 155 [2023-12-19 09:42:55,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:55,170 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 130 transitions. [2023-12-19 09:42:55,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 09:42:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 130 transitions. [2023-12-19 09:42:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 09:42:55,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:55,173 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:55,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 09:42:55,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:55,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:55,174 INFO L85 PathProgramCache]: Analyzing trace with hash -896192373, now seen corresponding path program 1 times [2023-12-19 09:42:55,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:55,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949438843] [2023-12-19 09:42:55,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:55,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:55,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:55,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949438843] [2023-12-19 09:42:55,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949438843] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:55,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:55,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:42:55,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984291590] [2023-12-19 09:42:55,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:55,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:42:55,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:55,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:42:55,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:42:55,420 INFO L87 Difference]: Start difference. First operand 83 states and 130 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:55,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:55,474 INFO L93 Difference]: Finished difference Result 189 states and 296 transitions. [2023-12-19 09:42:55,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:42:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 155 [2023-12-19 09:42:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:55,482 INFO L225 Difference]: With dead ends: 189 [2023-12-19 09:42:55,482 INFO L226 Difference]: Without dead ends: 107 [2023-12-19 09:42:55,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 09:42:55,484 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 27 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:55,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 253 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:42:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-19 09:42:55,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 94. [2023-12-19 09:42:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 70 states have internal predecessors, (103), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 09:42:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2023-12-19 09:42:55,493 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 155 [2023-12-19 09:42:55,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:55,495 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2023-12-19 09:42:55,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2023-12-19 09:42:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 09:42:55,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:55,497 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:55,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 09:42:55,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:55,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash 789358667, now seen corresponding path program 1 times [2023-12-19 09:42:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:55,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142484853] [2023-12-19 09:42:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:56,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:56,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142484853] [2023-12-19 09:42:56,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142484853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:56,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:56,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 09:42:56,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183627133] [2023-12-19 09:42:56,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:56,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 09:42:56,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:56,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 09:42:56,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 09:42:56,031 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:56,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:56,252 INFO L93 Difference]: Finished difference Result 265 states and 419 transitions. [2023-12-19 09:42:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 09:42:56,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 155 [2023-12-19 09:42:56,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:56,255 INFO L225 Difference]: With dead ends: 265 [2023-12-19 09:42:56,255 INFO L226 Difference]: Without dead ends: 172 [2023-12-19 09:42:56,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:42:56,257 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 70 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:56,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 466 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 09:42:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-12-19 09:42:56,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 139. [2023-12-19 09:42:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 92 states have internal predecessors, (127), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 09:42:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 215 transitions. [2023-12-19 09:42:56,273 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 215 transitions. Word has length 155 [2023-12-19 09:42:56,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:56,274 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 215 transitions. [2023-12-19 09:42:56,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 215 transitions. [2023-12-19 09:42:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 09:42:56,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:56,279 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:56,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 09:42:56,279 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:56,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:56,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1582380595, now seen corresponding path program 1 times [2023-12-19 09:42:56,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:56,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243473203] [2023-12-19 09:42:56,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:56,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:56,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243473203] [2023-12-19 09:42:56,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243473203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:56,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:56,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 09:42:56,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000130956] [2023-12-19 09:42:56,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:56,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 09:42:56,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:56,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 09:42:56,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-19 09:42:56,724 INFO L87 Difference]: Start difference. First operand 139 states and 215 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:56,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:56,971 INFO L93 Difference]: Finished difference Result 332 states and 519 transitions. [2023-12-19 09:42:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 09:42:56,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 155 [2023-12-19 09:42:56,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:56,976 INFO L225 Difference]: With dead ends: 332 [2023-12-19 09:42:56,977 INFO L226 Difference]: Without dead ends: 239 [2023-12-19 09:42:56,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-19 09:42:56,987 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 330 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:56,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 440 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 09:42:56,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-12-19 09:42:57,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 158. [2023-12-19 09:42:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 111 states have (on average 1.4144144144144144) internal successors, (157), 111 states have internal predecessors, (157), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 09:42:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 245 transitions. [2023-12-19 09:42:57,018 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 245 transitions. Word has length 155 [2023-12-19 09:42:57,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:57,019 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 245 transitions. [2023-12-19 09:42:57,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 245 transitions. [2023-12-19 09:42:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 09:42:57,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:57,021 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:57,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 09:42:57,021 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:57,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:57,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1701469451, now seen corresponding path program 1 times [2023-12-19 09:42:57,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:57,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348528348] [2023-12-19 09:42:57,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:57,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:57,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:57,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348528348] [2023-12-19 09:42:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348528348] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:57,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:57,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 09:42:57,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857102681] [2023-12-19 09:42:57,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:57,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 09:42:57,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:57,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 09:42:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-19 09:42:57,680 INFO L87 Difference]: Start difference. First operand 158 states and 245 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:58,123 INFO L93 Difference]: Finished difference Result 444 states and 687 transitions. [2023-12-19 09:42:58,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 09:42:58,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 155 [2023-12-19 09:42:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:58,126 INFO L225 Difference]: With dead ends: 444 [2023-12-19 09:42:58,126 INFO L226 Difference]: Without dead ends: 332 [2023-12-19 09:42:58,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-12-19 09:42:58,127 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 323 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:58,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 660 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 09:42:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-19 09:42:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 239. [2023-12-19 09:42:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 189 states have (on average 1.4761904761904763) internal successors, (279), 190 states have internal predecessors, (279), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 09:42:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 371 transitions. [2023-12-19 09:42:58,155 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 371 transitions. Word has length 155 [2023-12-19 09:42:58,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:58,156 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 371 transitions. [2023-12-19 09:42:58,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 371 transitions. [2023-12-19 09:42:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 09:42:58,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:58,158 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:58,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 09:42:58,158 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:58,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:58,159 INFO L85 PathProgramCache]: Analyzing trace with hash 12525709, now seen corresponding path program 1 times [2023-12-19 09:42:58,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:58,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417765545] [2023-12-19 09:42:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:58,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:58,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417765545] [2023-12-19 09:42:58,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417765545] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:58,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:58,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 09:42:58,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914985108] [2023-12-19 09:42:58,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:58,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:42:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:42:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:42:58,636 INFO L87 Difference]: Start difference. First operand 239 states and 371 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:58,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:58,935 INFO L93 Difference]: Finished difference Result 480 states and 736 transitions. [2023-12-19 09:42:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-19 09:42:58,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 155 [2023-12-19 09:42:58,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:58,940 INFO L225 Difference]: With dead ends: 480 [2023-12-19 09:42:58,941 INFO L226 Difference]: Without dead ends: 354 [2023-12-19 09:42:58,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-12-19 09:42:58,942 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 125 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:58,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 989 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 09:42:58,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-12-19 09:42:59,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 263. [2023-12-19 09:42:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 213 states have (on average 1.4694835680751173) internal successors, (313), 214 states have internal predecessors, (313), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 09:42:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 405 transitions. [2023-12-19 09:42:59,020 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 405 transitions. Word has length 155 [2023-12-19 09:42:59,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:59,021 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 405 transitions. [2023-12-19 09:42:59,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 405 transitions. [2023-12-19 09:42:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 09:42:59,022 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:59,022 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:59,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 09:42:59,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:59,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:59,023 INFO L85 PathProgramCache]: Analyzing trace with hash 409207, now seen corresponding path program 1 times [2023-12-19 09:42:59,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:59,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002695278] [2023-12-19 09:42:59,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:59,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:59,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:59,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002695278] [2023-12-19 09:42:59,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002695278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:59,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:59,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:42:59,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184241994] [2023-12-19 09:42:59,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:59,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:42:59,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:59,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:42:59,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:42:59,108 INFO L87 Difference]: Start difference. First operand 263 states and 405 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:59,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:59,178 INFO L93 Difference]: Finished difference Result 499 states and 760 transitions. [2023-12-19 09:42:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:42:59,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 156 [2023-12-19 09:42:59,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:59,180 INFO L225 Difference]: With dead ends: 499 [2023-12-19 09:42:59,180 INFO L226 Difference]: Without dead ends: 361 [2023-12-19 09:42:59,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 09:42:59,181 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 108 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:59,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 249 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:42:59,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2023-12-19 09:42:59,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 255. [2023-12-19 09:42:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 205 states have (on average 1.448780487804878) internal successors, (297), 206 states have internal predecessors, (297), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 09:42:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 389 transitions. [2023-12-19 09:42:59,221 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 389 transitions. Word has length 156 [2023-12-19 09:42:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:59,221 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 389 transitions. [2023-12-19 09:42:59,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 389 transitions. [2023-12-19 09:42:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 09:42:59,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:59,223 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:59,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 09:42:59,223 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:59,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2092766158, now seen corresponding path program 1 times [2023-12-19 09:42:59,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:59,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865897140] [2023-12-19 09:42:59,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:59,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:42:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:42:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:42:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:42:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:42:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:42:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:42:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:42:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:42:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:42:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:42:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:42:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:42:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:42:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:42:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:42:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:42:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:42:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:42:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:42:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:42:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:42:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:42:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:42:59,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:42:59,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865897140] [2023-12-19 09:42:59,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865897140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:42:59,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:42:59,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:42:59,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126689037] [2023-12-19 09:42:59,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:42:59,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:42:59,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:42:59,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:42:59,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:42:59,309 INFO L87 Difference]: Start difference. First operand 255 states and 389 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:59,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:42:59,391 INFO L93 Difference]: Finished difference Result 469 states and 711 transitions. [2023-12-19 09:42:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:42:59,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 156 [2023-12-19 09:42:59,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:42:59,394 INFO L225 Difference]: With dead ends: 469 [2023-12-19 09:42:59,394 INFO L226 Difference]: Without dead ends: 333 [2023-12-19 09:42:59,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 09:42:59,395 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 106 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:42:59,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 325 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:42:59,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-12-19 09:42:59,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 253. [2023-12-19 09:42:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 203 states have (on average 1.4334975369458127) internal successors, (291), 204 states have internal predecessors, (291), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 09:42:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 383 transitions. [2023-12-19 09:42:59,449 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 383 transitions. Word has length 156 [2023-12-19 09:42:59,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:42:59,451 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 383 transitions. [2023-12-19 09:42:59,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:42:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 383 transitions. [2023-12-19 09:42:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 09:42:59,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:42:59,452 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:59,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 09:42:59,453 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:42:59,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:42:59,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1563934556, now seen corresponding path program 1 times [2023-12-19 09:42:59,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:42:59,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316698827] [2023-12-19 09:42:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:42:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:42:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:00,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:00,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316698827] [2023-12-19 09:43:00,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316698827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:00,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:00,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-19 09:43:00,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322551174] [2023-12-19 09:43:00,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:00,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-19 09:43:00,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:00,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-19 09:43:00,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-19 09:43:00,173 INFO L87 Difference]: Start difference. First operand 253 states and 383 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:02,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:02,252 INFO L93 Difference]: Finished difference Result 771 states and 1154 transitions. [2023-12-19 09:43:02,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-19 09:43:02,252 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 156 [2023-12-19 09:43:02,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:02,255 INFO L225 Difference]: With dead ends: 771 [2023-12-19 09:43:02,255 INFO L226 Difference]: Without dead ends: 605 [2023-12-19 09:43:02,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=356, Invalid=2194, Unknown=0, NotChecked=0, Total=2550 [2023-12-19 09:43:02,256 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 478 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:02,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 3004 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 09:43:02,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2023-12-19 09:43:02,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 249. [2023-12-19 09:43:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 199 states have (on average 1.3768844221105527) internal successors, (274), 200 states have internal predecessors, (274), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-19 09:43:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2023-12-19 09:43:02,302 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 156 [2023-12-19 09:43:02,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:02,302 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2023-12-19 09:43:02,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2023-12-19 09:43:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:02,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:02,304 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:02,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 09:43:02,304 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:02,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:02,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2036704474, now seen corresponding path program 1 times [2023-12-19 09:43:02,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:02,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500546776] [2023-12-19 09:43:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:02,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:02,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:02,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500546776] [2023-12-19 09:43:02,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500546776] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:02,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:02,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 09:43:02,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927467872] [2023-12-19 09:43:02,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:02,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 09:43:02,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:02,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 09:43:02,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 09:43:02,543 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:02,702 INFO L93 Difference]: Finished difference Result 494 states and 722 transitions. [2023-12-19 09:43:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 09:43:02,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:02,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:02,704 INFO L225 Difference]: With dead ends: 494 [2023-12-19 09:43:02,704 INFO L226 Difference]: Without dead ends: 343 [2023-12-19 09:43:02,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:43:02,705 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 160 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:02,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 412 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:43:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-12-19 09:43:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 325. [2023-12-19 09:43:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 270 states have (on average 1.362962962962963) internal successors, (368), 272 states have internal predecessors, (368), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-19 09:43:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 468 transitions. [2023-12-19 09:43:02,748 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 468 transitions. Word has length 157 [2023-12-19 09:43:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:02,748 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 468 transitions. [2023-12-19 09:43:02,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 468 transitions. [2023-12-19 09:43:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:02,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:02,749 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:02,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 09:43:02,750 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:02,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:02,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1237194468, now seen corresponding path program 1 times [2023-12-19 09:43:02,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:02,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030399487] [2023-12-19 09:43:02,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:02,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:02,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:02,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030399487] [2023-12-19 09:43:02,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030399487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:02,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:02,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 09:43:02,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025585536] [2023-12-19 09:43:02,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:02,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 09:43:02,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:02,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 09:43:02,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 09:43:02,951 INFO L87 Difference]: Start difference. First operand 325 states and 468 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:03,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:03,140 INFO L93 Difference]: Finished difference Result 597 states and 861 transitions. [2023-12-19 09:43:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 09:43:03,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:03,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:03,142 INFO L225 Difference]: With dead ends: 597 [2023-12-19 09:43:03,143 INFO L226 Difference]: Without dead ends: 425 [2023-12-19 09:43:03,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 09:43:03,144 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 244 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:03,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 430 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:43:03,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2023-12-19 09:43:03,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 342. [2023-12-19 09:43:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 287 states have (on average 1.3344947735191637) internal successors, (383), 289 states have internal predecessors, (383), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-19 09:43:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 483 transitions. [2023-12-19 09:43:03,192 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 483 transitions. Word has length 157 [2023-12-19 09:43:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:03,192 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 483 transitions. [2023-12-19 09:43:03,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 483 transitions. [2023-12-19 09:43:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:03,194 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:03,194 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:03,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 09:43:03,194 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:03,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1552618208, now seen corresponding path program 1 times [2023-12-19 09:43:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:03,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895081990] [2023-12-19 09:43:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:03,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:03,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895081990] [2023-12-19 09:43:03,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895081990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:03,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:03,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 09:43:03,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811446639] [2023-12-19 09:43:03,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:03,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 09:43:03,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:03,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 09:43:03,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-19 09:43:03,721 INFO L87 Difference]: Start difference. First operand 342 states and 483 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 09:43:04,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:04,359 INFO L93 Difference]: Finished difference Result 689 states and 970 transitions. [2023-12-19 09:43:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 09:43:04,360 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2023-12-19 09:43:04,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:04,362 INFO L225 Difference]: With dead ends: 689 [2023-12-19 09:43:04,362 INFO L226 Difference]: Without dead ends: 532 [2023-12-19 09:43:04,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2023-12-19 09:43:04,363 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 439 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:04,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1622 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 09:43:04,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-12-19 09:43:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 392. [2023-12-19 09:43:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 318 states have (on average 1.3081761006289307) internal successors, (416), 320 states have internal predecessors, (416), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-19 09:43:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 552 transitions. [2023-12-19 09:43:04,424 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 552 transitions. Word has length 157 [2023-12-19 09:43:04,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:04,424 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 552 transitions. [2023-12-19 09:43:04,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 09:43:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 552 transitions. [2023-12-19 09:43:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:04,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:04,426 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:04,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 09:43:04,426 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:04,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash 691815049, now seen corresponding path program 1 times [2023-12-19 09:43:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:04,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753266887] [2023-12-19 09:43:04,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:04,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:04,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:04,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753266887] [2023-12-19 09:43:04,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753266887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:04,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:04,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-19 09:43:04,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904161625] [2023-12-19 09:43:04,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:04,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-19 09:43:04,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:04,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-19 09:43:04,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-19 09:43:04,892 INFO L87 Difference]: Start difference. First operand 392 states and 552 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:07,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:07,138 INFO L93 Difference]: Finished difference Result 1729 states and 2427 transitions. [2023-12-19 09:43:07,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-19 09:43:07,138 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:07,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:07,144 INFO L225 Difference]: With dead ends: 1729 [2023-12-19 09:43:07,144 INFO L226 Difference]: Without dead ends: 1518 [2023-12-19 09:43:07,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=1135, Unknown=0, NotChecked=0, Total=1482 [2023-12-19 09:43:07,146 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 1241 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:07,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 1143 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [706 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-19 09:43:07,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2023-12-19 09:43:07,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 697. [2023-12-19 09:43:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 573 states have (on average 1.2984293193717278) internal successors, (744), 577 states have internal predecessors, (744), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 110 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-19 09:43:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 972 transitions. [2023-12-19 09:43:07,293 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 972 transitions. Word has length 157 [2023-12-19 09:43:07,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:07,294 INFO L495 AbstractCegarLoop]: Abstraction has 697 states and 972 transitions. [2023-12-19 09:43:07,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 972 transitions. [2023-12-19 09:43:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:07,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:07,295 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:07,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 09:43:07,296 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:07,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash -117531577, now seen corresponding path program 1 times [2023-12-19 09:43:07,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:07,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258929455] [2023-12-19 09:43:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:07,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:07,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:07,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258929455] [2023-12-19 09:43:07,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258929455] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:07,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:07,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 09:43:07,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817572545] [2023-12-19 09:43:07,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:07,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:43:07,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:07,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:43:07,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:43:07,753 INFO L87 Difference]: Start difference. First operand 697 states and 972 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 09:43:08,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:08,274 INFO L93 Difference]: Finished difference Result 1059 states and 1491 transitions. [2023-12-19 09:43:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 09:43:08,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2023-12-19 09:43:08,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:08,277 INFO L225 Difference]: With dead ends: 1059 [2023-12-19 09:43:08,277 INFO L226 Difference]: Without dead ends: 666 [2023-12-19 09:43:08,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-19 09:43:08,278 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 218 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:08,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 586 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 09:43:08,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2023-12-19 09:43:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 645. [2023-12-19 09:43:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 521 states have (on average 1.293666026871401) internal successors, (674), 525 states have internal predecessors, (674), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 110 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-19 09:43:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 902 transitions. [2023-12-19 09:43:08,396 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 902 transitions. Word has length 157 [2023-12-19 09:43:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:08,396 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 902 transitions. [2023-12-19 09:43:08,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 09:43:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 902 transitions. [2023-12-19 09:43:08,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:08,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:08,399 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:08,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 09:43:08,399 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:08,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:08,399 INFO L85 PathProgramCache]: Analyzing trace with hash -240359867, now seen corresponding path program 1 times [2023-12-19 09:43:08,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:08,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076969564] [2023-12-19 09:43:08,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:08,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:08,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:08,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076969564] [2023-12-19 09:43:08,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076969564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:08,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:08,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 09:43:08,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278060481] [2023-12-19 09:43:08,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:08,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 09:43:08,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:08,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 09:43:08,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-19 09:43:08,654 INFO L87 Difference]: Start difference. First operand 645 states and 902 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:09,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:09,703 INFO L93 Difference]: Finished difference Result 2018 states and 2812 transitions. [2023-12-19 09:43:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 09:43:09,704 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:09,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:09,710 INFO L225 Difference]: With dead ends: 2018 [2023-12-19 09:43:09,710 INFO L226 Difference]: Without dead ends: 1827 [2023-12-19 09:43:09,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-12-19 09:43:09,713 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 588 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:09,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1052 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 09:43:09,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2023-12-19 09:43:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 396. [2023-12-19 09:43:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 322 states have (on average 1.3043478260869565) internal successors, (420), 324 states have internal predecessors, (420), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-19 09:43:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2023-12-19 09:43:09,813 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 157 [2023-12-19 09:43:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:09,813 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2023-12-19 09:43:09,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2023-12-19 09:43:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:09,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:09,815 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:09,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-19 09:43:09,815 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:09,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:09,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1049706493, now seen corresponding path program 1 times [2023-12-19 09:43:09,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:09,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095385371] [2023-12-19 09:43:09,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:09,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:10,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:10,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095385371] [2023-12-19 09:43:10,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095385371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:10,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:10,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 09:43:10,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361808886] [2023-12-19 09:43:10,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:10,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 09:43:10,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:10,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 09:43:10,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-19 09:43:10,115 INFO L87 Difference]: Start difference. First operand 396 states and 556 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:10,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:10,451 INFO L93 Difference]: Finished difference Result 691 states and 956 transitions. [2023-12-19 09:43:10,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 09:43:10,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:10,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:10,456 INFO L225 Difference]: With dead ends: 691 [2023-12-19 09:43:10,456 INFO L226 Difference]: Without dead ends: 500 [2023-12-19 09:43:10,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-19 09:43:10,458 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 90 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:10,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 614 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:43:10,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-12-19 09:43:10,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 380. [2023-12-19 09:43:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 306 states have (on average 1.3137254901960784) internal successors, (402), 308 states have internal predecessors, (402), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-19 09:43:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 538 transitions. [2023-12-19 09:43:10,538 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 538 transitions. Word has length 157 [2023-12-19 09:43:10,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:10,538 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 538 transitions. [2023-12-19 09:43:10,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 538 transitions. [2023-12-19 09:43:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:10,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:10,539 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:10,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-19 09:43:10,540 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:10,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:10,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1748789732, now seen corresponding path program 1 times [2023-12-19 09:43:10,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:10,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516136930] [2023-12-19 09:43:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:10,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:10,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:10,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516136930] [2023-12-19 09:43:10,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516136930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:10,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:10,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 09:43:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125425110] [2023-12-19 09:43:10,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:10,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 09:43:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:10,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 09:43:10,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 09:43:10,892 INFO L87 Difference]: Start difference. First operand 380 states and 538 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:11,167 INFO L93 Difference]: Finished difference Result 758 states and 1063 transitions. [2023-12-19 09:43:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 09:43:11,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:11,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:11,170 INFO L225 Difference]: With dead ends: 758 [2023-12-19 09:43:11,170 INFO L226 Difference]: Without dead ends: 622 [2023-12-19 09:43:11,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-19 09:43:11,171 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 166 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:11,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 552 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:43:11,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2023-12-19 09:43:11,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 487. [2023-12-19 09:43:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 410 states have (on average 1.3390243902439025) internal successors, (549), 413 states have internal predecessors, (549), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-19 09:43:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 689 transitions. [2023-12-19 09:43:11,275 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 689 transitions. Word has length 157 [2023-12-19 09:43:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:11,275 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 689 transitions. [2023-12-19 09:43:11,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 689 transitions. [2023-12-19 09:43:11,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:11,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:11,276 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:11,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-19 09:43:11,276 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:11,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:11,277 INFO L85 PathProgramCache]: Analyzing trace with hash 468926054, now seen corresponding path program 1 times [2023-12-19 09:43:11,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:11,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846146777] [2023-12-19 09:43:11,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:11,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:11,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:11,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846146777] [2023-12-19 09:43:11,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846146777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:11,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:11,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 09:43:11,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173306630] [2023-12-19 09:43:11,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:11,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:43:11,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:11,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:43:11,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:43:11,520 INFO L87 Difference]: Start difference. First operand 487 states and 689 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:11,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:11,891 INFO L93 Difference]: Finished difference Result 844 states and 1207 transitions. [2023-12-19 09:43:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 09:43:11,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:11,894 INFO L225 Difference]: With dead ends: 844 [2023-12-19 09:43:11,894 INFO L226 Difference]: Without dead ends: 601 [2023-12-19 09:43:11,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-19 09:43:11,895 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 111 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:11,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1027 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 09:43:11,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2023-12-19 09:43:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 511. [2023-12-19 09:43:11,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 434 states have (on average 1.3387096774193548) internal successors, (581), 437 states have internal predecessors, (581), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-19 09:43:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 721 transitions. [2023-12-19 09:43:11,980 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 721 transitions. Word has length 157 [2023-12-19 09:43:11,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:11,980 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 721 transitions. [2023-12-19 09:43:11,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 721 transitions. [2023-12-19 09:43:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:11,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:11,981 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:11,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-19 09:43:11,981 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:11,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash 727091492, now seen corresponding path program 1 times [2023-12-19 09:43:11,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:11,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117056126] [2023-12-19 09:43:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:12,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:12,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117056126] [2023-12-19 09:43:12,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117056126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:12,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:12,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:43:12,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576186784] [2023-12-19 09:43:12,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:12,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:43:12,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:12,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:43:12,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:43:12,041 INFO L87 Difference]: Start difference. First operand 511 states and 721 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:12,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:12,221 INFO L93 Difference]: Finished difference Result 1027 states and 1445 transitions. [2023-12-19 09:43:12,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:43:12,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:12,226 INFO L225 Difference]: With dead ends: 1027 [2023-12-19 09:43:12,226 INFO L226 Difference]: Without dead ends: 760 [2023-12-19 09:43:12,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 09:43:12,227 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 114 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:12,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 251 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:43:12,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2023-12-19 09:43:12,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 539. [2023-12-19 09:43:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 462 states have (on average 1.3225108225108224) internal successors, (611), 465 states have internal predecessors, (611), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-19 09:43:12,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 751 transitions. [2023-12-19 09:43:12,311 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 751 transitions. Word has length 157 [2023-12-19 09:43:12,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:12,311 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 751 transitions. [2023-12-19 09:43:12,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 751 transitions. [2023-12-19 09:43:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:12,312 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:12,313 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:12,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-19 09:43:12,313 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:12,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:12,313 INFO L85 PathProgramCache]: Analyzing trace with hash 784349794, now seen corresponding path program 1 times [2023-12-19 09:43:12,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:12,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806995040] [2023-12-19 09:43:12,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:12,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:12,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:12,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806995040] [2023-12-19 09:43:12,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806995040] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:12,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:12,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 09:43:12,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978039195] [2023-12-19 09:43:12,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:12,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 09:43:12,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 09:43:12,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 09:43:12,447 INFO L87 Difference]: Start difference. First operand 539 states and 751 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:12,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:12,694 INFO L93 Difference]: Finished difference Result 905 states and 1273 transitions. [2023-12-19 09:43:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 09:43:12,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:12,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:12,697 INFO L225 Difference]: With dead ends: 905 [2023-12-19 09:43:12,697 INFO L226 Difference]: Without dead ends: 610 [2023-12-19 09:43:12,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 1 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 09:43:12,699 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 245 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:12,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 272 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:43:12,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2023-12-19 09:43:12,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 507. [2023-12-19 09:43:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 430 states have (on average 1.3046511627906976) internal successors, (561), 433 states have internal predecessors, (561), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-19 09:43:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 701 transitions. [2023-12-19 09:43:12,812 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 701 transitions. Word has length 157 [2023-12-19 09:43:12,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:12,812 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 701 transitions. [2023-12-19 09:43:12,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 701 transitions. [2023-12-19 09:43:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:12,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:12,814 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:12,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-19 09:43:12,814 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:12,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:12,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1043145118, now seen corresponding path program 1 times [2023-12-19 09:43:12,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:12,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326847969] [2023-12-19 09:43:12,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:12,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:13,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:13,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326847969] [2023-12-19 09:43:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326847969] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:13,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:13,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 09:43:13,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163709000] [2023-12-19 09:43:13,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:13,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 09:43:13,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 09:43:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 09:43:13,179 INFO L87 Difference]: Start difference. First operand 507 states and 701 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:13,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:13,477 INFO L93 Difference]: Finished difference Result 1119 states and 1529 transitions. [2023-12-19 09:43:13,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 09:43:13,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:13,480 INFO L225 Difference]: With dead ends: 1119 [2023-12-19 09:43:13,480 INFO L226 Difference]: Without dead ends: 671 [2023-12-19 09:43:13,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 09:43:13,482 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 144 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:13,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 426 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:43:13,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2023-12-19 09:43:13,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 491. [2023-12-19 09:43:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 414 states have (on average 1.3019323671497585) internal successors, (539), 417 states have internal predecessors, (539), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-19 09:43:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 679 transitions. [2023-12-19 09:43:13,614 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 679 transitions. Word has length 157 [2023-12-19 09:43:13,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:13,614 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 679 transitions. [2023-12-19 09:43:13,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 679 transitions. [2023-12-19 09:43:13,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:13,616 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:13,616 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:13,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-19 09:43:13,616 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:13,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:13,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1465846944, now seen corresponding path program 1 times [2023-12-19 09:43:13,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:13,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833842983] [2023-12-19 09:43:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:13,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 09:43:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-19 09:43:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-19 09:43:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-19 09:43:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-19 09:43:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-19 09:43:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-19 09:43:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 09:43:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 09:43:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 09:43:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 09:43:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-19 09:43:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 09:43:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-19 09:43:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-19 09:43:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-19 09:43:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-19 09:43:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 09:43:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 09:43:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-19 09:43:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-19 09:43:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-19 09:43:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:43:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 09:43:14,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:43:14,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833842983] [2023-12-19 09:43:14,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833842983] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:43:14,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:43:14,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 09:43:14,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267097859] [2023-12-19 09:43:14,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:43:14,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 09:43:14,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:43:14,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 09:43:14,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-19 09:43:14,043 INFO L87 Difference]: Start difference. First operand 491 states and 679 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:14,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:43:14,925 INFO L93 Difference]: Finished difference Result 1229 states and 1689 transitions. [2023-12-19 09:43:14,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-19 09:43:14,929 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2023-12-19 09:43:14,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:43:14,939 INFO L225 Difference]: With dead ends: 1229 [2023-12-19 09:43:14,939 INFO L226 Difference]: Without dead ends: 966 [2023-12-19 09:43:14,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2023-12-19 09:43:14,941 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 378 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 09:43:14,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1069 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 09:43:14,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2023-12-19 09:43:15,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 758. [2023-12-19 09:43:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 655 states have (on average 1.3083969465648855) internal successors, (857), 659 states have internal predecessors, (857), 94 states have call successors, (94), 8 states have call predecessors, (94), 8 states have return successors, (94), 90 states have call predecessors, (94), 94 states have call successors, (94) [2023-12-19 09:43:15,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1045 transitions. [2023-12-19 09:43:15,084 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1045 transitions. Word has length 157 [2023-12-19 09:43:15,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:43:15,084 INFO L495 AbstractCegarLoop]: Abstraction has 758 states and 1045 transitions. [2023-12-19 09:43:15,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 09:43:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1045 transitions. [2023-12-19 09:43:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 09:43:15,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:43:15,086 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:15,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-19 09:43:15,086 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:43:15,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:43:15,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1688908782, now seen corresponding path program 1 times [2023-12-19 09:43:15,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:43:15,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897121463] [2023-12-19 09:43:15,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:43:15,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:43:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 09:43:15,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 09:43:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 09:43:15,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 09:43:15,305 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 09:43:15,306 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 09:43:15,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-19 09:43:15,311 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] [2023-12-19 09:43:15,314 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 09:43:15,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 09:43:15 BoogieIcfgContainer [2023-12-19 09:43:15,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 09:43:15,406 INFO L158 Benchmark]: Toolchain (without parser) took 21856.57ms. Allocated memory was 211.8MB in the beginning and 833.6MB in the end (delta: 621.8MB). Free memory was 171.1MB in the beginning and 622.8MB in the end (delta: -451.6MB). Peak memory consumption was 171.5MB. Max. memory is 8.0GB. [2023-12-19 09:43:15,406 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 211.8MB. Free memory was 159.3MB in the beginning and 159.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 09:43:15,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.18ms. Allocated memory is still 211.8MB. Free memory was 171.1MB in the beginning and 154.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-19 09:43:15,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.33ms. Allocated memory is still 211.8MB. Free memory was 154.8MB in the beginning and 150.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 09:43:15,407 INFO L158 Benchmark]: Boogie Preprocessor took 74.66ms. Allocated memory is still 211.8MB. Free memory was 150.2MB in the beginning and 143.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-19 09:43:15,407 INFO L158 Benchmark]: RCFGBuilder took 577.47ms. Allocated memory was 211.8MB in the beginning and 286.3MB in the end (delta: 74.4MB). Free memory was 143.6MB in the beginning and 248.7MB in the end (delta: -105.0MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. [2023-12-19 09:43:15,407 INFO L158 Benchmark]: TraceAbstraction took 20820.24ms. Allocated memory was 286.3MB in the beginning and 833.6MB in the end (delta: 547.4MB). Free memory was 248.1MB in the beginning and 622.8MB in the end (delta: -374.6MB). Peak memory consumption was 173.2MB. Max. memory is 8.0GB. [2023-12-19 09:43:15,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 211.8MB. Free memory was 159.3MB in the beginning and 159.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 328.18ms. Allocated memory is still 211.8MB. Free memory was 171.1MB in the beginning and 154.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.33ms. Allocated memory is still 211.8MB. Free memory was 154.8MB in the beginning and 150.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.66ms. Allocated memory is still 211.8MB. Free memory was 150.2MB in the beginning and 143.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 577.47ms. Allocated memory was 211.8MB in the beginning and 286.3MB in the end (delta: 74.4MB). Free memory was 143.6MB in the beginning and 248.7MB in the end (delta: -105.0MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. * TraceAbstraction took 20820.24ms. Allocated memory was 286.3MB in the beginning and 833.6MB in the end (delta: 547.4MB). Free memory was 248.1MB in the beginning and 622.8MB in the end (delta: -374.6MB). Peak memory consumption was 173.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 182, overapproximation of shiftRight at line 182, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 182. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] unsigned char var_1_33 = 8; [L44] double var_1_40 = 8.35; [L45] unsigned short int var_1_45 = 50; [L46] unsigned char var_1_46 = 0; [L47] unsigned char var_1_47 = 5; [L48] unsigned char var_1_48 = 1; [L49] signed char var_1_49 = -16; [L50] signed char var_1_50 = 2; [L51] signed char var_1_51 = 16; [L52] signed long int var_1_53 = 256; [L53] double var_1_54 = 1.25; [L54] unsigned long int var_1_55 = 5; [L55] signed long int last_1_var_1_1 = 64; [L56] unsigned char last_1_var_1_13 = 64; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L178] last_1_var_1_1 = var_1_1 [L179] last_1_var_1_13 = var_1_13 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L141] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L142] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L142] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L143] var_1_15 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L144] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L145] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L145] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L146] var_1_16 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L147] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L148] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L148] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L149] var_1_18 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L150] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L151] var_1_19 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L152] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L153] var_1_20 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L154] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L155] var_1_21 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L156] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L158] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L159] var_1_23 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L160] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L161] var_1_27 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L162] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L163] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L163] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L164] var_1_28 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L165] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L166] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L166] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L167] var_1_47 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L168] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L169] CALL assume_abort_if_not(var_1_47 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L169] RET assume_abort_if_not(var_1_47 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L170] var_1_50 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_50 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L171] RET assume_abort_if_not(var_1_50 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L172] CALL assume_abort_if_not(var_1_50 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L172] RET assume_abort_if_not(var_1_50 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L173] var_1_51 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_51 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L174] RET assume_abort_if_not(var_1_51 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L175] CALL assume_abort_if_not(var_1_51 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L175] RET assume_abort_if_not(var_1_51 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L190] RET updateVariables() [L191] CALL step() [L60] EXPR var_1_15 ^ var_1_1 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L60] EXPR var_1_13 | var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L60] COND FALSE !((var_1_15 ^ var_1_1) < (var_1_13 | var_1_13)) [L63] var_1_33 = (((((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) < 0 ) ? -((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) : ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L65] COND FALSE !((-32 & var_1_16) > var_1_32) [L68] var_1_40 = (var_1_18 + var_1_18) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L70] COND FALSE !(var_1_21 >= ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L77] COND FALSE !(var_1_21 <= (var_1_20 + var_1_19)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L81] COND FALSE !(var_1_18 > (var_1_19 + var_1_22)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L88] var_1_48 = var_1_16 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-16, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L89] COND TRUE var_1_20 < var_1_22 [L90] var_1_49 = ((var_1_50 - var_1_51) + var_1_27) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L94] var_1_53 = var_1_11 [L95] var_1_54 = var_1_21 [L96] var_1_55 = var_1_11 [L97] signed long int stepLocal_1 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=505, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L98] COND FALSE !(stepLocal_1 != last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=505, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L101] var_1_31 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=505, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L102] COND FALSE !(\read(var_1_7)) [L105] var_1_17 = var_1_22 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L107] COND FALSE !(\read(var_1_7)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L110] var_1_32 = var_1_16 [L111] var_1_30 = var_1_32 [L112] unsigned char stepLocal_0 = var_1_13; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L113] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L113] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0 [L114] var_1_11 = var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L116] COND TRUE var_1_11 >= var_1_30 [L117] var_1_26 = (var_1_27 + var_1_28) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L119] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L119] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L120] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L128] unsigned short int stepLocal_2 = var_1_30; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, stepLocal_2=68, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L129] COND TRUE ! var_1_7 [L130] var_1_24 = (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, stepLocal_1=64, stepLocal_2=68, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182-L183] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=68, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-126, var_1_50=0, var_1_51=63, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.7s, OverallIterations: 23, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5705 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5705 mSDsluCounter, 15969 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11761 mSDsCounter, 1530 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6887 IncrementalHoareTripleChecker+Invalid, 8417 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1530 mSolverCounterUnsat, 4208 mSDtfsCounter, 6887 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1072 SyntacticMatches, 2 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=758occurred in iteration=22, InterpolantAutomatonStates: 210, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 4424 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 3596 NumberOfCodeBlocks, 3596 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3417 ConstructedInterpolants, 0 QuantifiedInterpolants, 13801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 20328/20328 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 09:43:15,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...