./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11f663f31fd7e407dcb664c9f5df2c771bffa1ce1600c8629f9e6c1a07759991 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:33:30,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:33:30,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:33:30,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:33:30,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:33:30,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:33:30,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:33:30,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:33:30,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:33:30,781 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:33:30,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:33:30,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:33:30,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:33:30,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:33:30,783 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:33:30,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:33:30,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:33:30,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:33:30,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:33:30,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:33:30,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:33:30,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:33:30,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:33:30,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:33:30,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:33:30,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:33:30,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:33:30,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:33:30,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:33:30,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:33:30,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:33:30,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:33:30,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:33:30,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:33:30,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:33:30,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:33:30,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:33:30,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:33:30,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:33:30,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:33:30,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:33:30,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:33:30,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f663f31fd7e407dcb664c9f5df2c771bffa1ce1600c8629f9e6c1a07759991 [2024-10-14 08:33:30,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:33:31,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:33:31,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:33:31,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:33:31,007 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:33:31,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i [2024-10-14 08:33:32,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:33:32,575 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:33:32,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i [2024-10-14 08:33:32,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d60905b2b/d725992afcc34b5d8da2c402d1dd72e4/FLAG303c1d0e5 [2024-10-14 08:33:32,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d60905b2b/d725992afcc34b5d8da2c402d1dd72e4 [2024-10-14 08:33:32,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:33:32,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:33:32,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:33:32,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:33:32,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:33:32,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:32,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aca0365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32, skipping insertion in model container [2024-10-14 08:33:32,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:32,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:33:32,766 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i[915,928] [2024-10-14 08:33:32,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:33:32,840 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:33:32,852 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i[915,928] [2024-10-14 08:33:32,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:33:32,938 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:33:32,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32 WrapperNode [2024-10-14 08:33:32,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:33:32,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:33:32,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:33:32,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:33:32,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:32,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,045 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244 [2024-10-14 08:33:33,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:33:33,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:33:33,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:33:33,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:33:33,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,098 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]. [2024-10-14 08:33:33,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:33:33,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:33:33,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:33:33,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:33:33,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (1/1) ... [2024-10-14 08:33:33,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:33:33,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:33:33,209 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) [2024-10-14 08:33:33,224 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 [2024-10-14 08:33:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:33:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:33:33,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:33:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:33:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:33:33,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:33:33,368 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:33:33,370 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:33:33,782 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-14 08:33:33,782 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:33:33,817 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:33:33,821 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:33:33,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:33:33 BoogieIcfgContainer [2024-10-14 08:33:33,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:33:33,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:33:33,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:33:33,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:33:33,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:33:32" (1/3) ... [2024-10-14 08:33:33,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511b7fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:33:33, skipping insertion in model container [2024-10-14 08:33:33,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:33:32" (2/3) ... [2024-10-14 08:33:33,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511b7fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:33:33, skipping insertion in model container [2024-10-14 08:33:33,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:33:33" (3/3) ... [2024-10-14 08:33:33,832 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-34.i [2024-10-14 08:33:33,846 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:33:33,847 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:33:33,899 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:33:33,904 INFO L333 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, 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;@d6e2982, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:33:33,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:33:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 63 states have (on average 1.507936507936508) internal successors, (95), 64 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 08:33:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 08:33:33,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:33,924 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:33,924 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:33,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:33,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1752821943, now seen corresponding path program 1 times [2024-10-14 08:33:33,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:33,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864704141] [2024-10-14 08:33:33,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:33,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:34,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:34,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864704141] [2024-10-14 08:33:34,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864704141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:34,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:34,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:33:34,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115757260] [2024-10-14 08:33:34,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:34,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:33:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:34,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:33:34,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:33:34,291 INFO L87 Difference]: Start difference. First operand has 93 states, 63 states have (on average 1.507936507936508) internal successors, (95), 64 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-14 08:33:34,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:34,342 INFO L93 Difference]: Finished difference Result 183 states and 323 transitions. [2024-10-14 08:33:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:33:34,346 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 173 [2024-10-14 08:33:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:34,354 INFO L225 Difference]: With dead ends: 183 [2024-10-14 08:33:34,354 INFO L226 Difference]: Without dead ends: 91 [2024-10-14 08:33:34,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:33:34,364 INFO L432 NwaCegarLoop]: 141 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, 141 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 [2024-10-14 08:33:34,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:33:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-14 08:33:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-14 08:33:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 62 states have internal predecessors, (90), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 08:33:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 144 transitions. [2024-10-14 08:33:34,407 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 144 transitions. Word has length 173 [2024-10-14 08:33:34,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:34,408 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 144 transitions. [2024-10-14 08:33:34,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-14 08:33:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2024-10-14 08:33:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 08:33:34,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:34,412 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:34,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:33:34,413 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:34,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1193219381, now seen corresponding path program 1 times [2024-10-14 08:33:34,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:34,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757726197] [2024-10-14 08:33:34,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:34,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:34,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757726197] [2024-10-14 08:33:34,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757726197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:34,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:34,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 08:33:34,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271637662] [2024-10-14 08:33:34,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:34,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 08:33:34,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:34,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 08:33:34,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:33:34,973 INFO L87 Difference]: Start difference. First operand 91 states and 144 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:35,149 INFO L93 Difference]: Finished difference Result 300 states and 474 transitions. [2024-10-14 08:33:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 08:33:35,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-10-14 08:33:35,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:35,156 INFO L225 Difference]: With dead ends: 300 [2024-10-14 08:33:35,156 INFO L226 Difference]: Without dead ends: 210 [2024-10-14 08:33:35,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 08:33:35,158 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 149 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:35,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 450 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 08:33:35,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-10-14 08:33:35,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 181. [2024-10-14 08:33:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 124 states have (on average 1.4435483870967742) internal successors, (179), 124 states have internal predecessors, (179), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-14 08:33:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 287 transitions. [2024-10-14 08:33:35,204 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 287 transitions. Word has length 173 [2024-10-14 08:33:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:35,205 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 287 transitions. [2024-10-14 08:33:35,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 287 transitions. [2024-10-14 08:33:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-14 08:33:35,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:35,210 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:35,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:33:35,210 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:35,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:35,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1611127326, now seen corresponding path program 1 times [2024-10-14 08:33:35,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:35,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617060151] [2024-10-14 08:33:35,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:35,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:35,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:35,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617060151] [2024-10-14 08:33:35,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617060151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:35,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:35,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 08:33:35,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353131815] [2024-10-14 08:33:35,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:35,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 08:33:35,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:35,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 08:33:35,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 08:33:35,660 INFO L87 Difference]: Start difference. First operand 181 states and 287 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:35,931 INFO L93 Difference]: Finished difference Result 536 states and 848 transitions. [2024-10-14 08:33:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 08:33:35,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-10-14 08:33:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:35,935 INFO L225 Difference]: With dead ends: 536 [2024-10-14 08:33:35,935 INFO L226 Difference]: Without dead ends: 356 [2024-10-14 08:33:35,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 08:33:35,936 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 188 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:35,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 464 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 08:33:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-14 08:33:35,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 185. [2024-10-14 08:33:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 128 states have (on average 1.4296875) internal successors, (183), 128 states have internal predecessors, (183), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-14 08:33:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 291 transitions. [2024-10-14 08:33:35,958 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 291 transitions. Word has length 174 [2024-10-14 08:33:35,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:35,959 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 291 transitions. [2024-10-14 08:33:35,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 291 transitions. [2024-10-14 08:33:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-14 08:33:35,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:35,961 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:35,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:33:35,961 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:35,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:35,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1337239725, now seen corresponding path program 1 times [2024-10-14 08:33:35,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:35,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039328297] [2024-10-14 08:33:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:35,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:36,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:36,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039328297] [2024-10-14 08:33:36,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039328297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:36,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:36,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 08:33:36,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356464959] [2024-10-14 08:33:36,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:36,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 08:33:36,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:36,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 08:33:36,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:33:36,550 INFO L87 Difference]: Start difference. First operand 185 states and 291 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:36,788 INFO L93 Difference]: Finished difference Result 491 states and 769 transitions. [2024-10-14 08:33:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 08:33:36,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-10-14 08:33:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:36,794 INFO L225 Difference]: With dead ends: 491 [2024-10-14 08:33:36,795 INFO L226 Difference]: Without dead ends: 307 [2024-10-14 08:33:36,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 08:33:36,798 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 103 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:36,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 360 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 08:33:36,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-14 08:33:36,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 253. [2024-10-14 08:33:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 168 states have (on average 1.4047619047619047) internal successors, (236), 168 states have internal predecessors, (236), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 08:33:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 398 transitions. [2024-10-14 08:33:36,851 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 398 transitions. Word has length 175 [2024-10-14 08:33:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:36,852 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 398 transitions. [2024-10-14 08:33:36,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 398 transitions. [2024-10-14 08:33:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-14 08:33:36,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:36,856 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:36,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 08:33:36,856 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:36,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:36,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1924045739, now seen corresponding path program 1 times [2024-10-14 08:33:36,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:36,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831863657] [2024-10-14 08:33:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:36,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:41,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:41,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831863657] [2024-10-14 08:33:41,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831863657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:41,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:41,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 08:33:41,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935116333] [2024-10-14 08:33:41,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:41,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 08:33:41,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:41,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 08:33:41,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 08:33:41,427 INFO L87 Difference]: Start difference. First operand 253 states and 398 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:42,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:42,303 INFO L93 Difference]: Finished difference Result 583 states and 896 transitions. [2024-10-14 08:33:42,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 08:33:42,303 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-10-14 08:33:42,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:42,306 INFO L225 Difference]: With dead ends: 583 [2024-10-14 08:33:42,306 INFO L226 Difference]: Without dead ends: 388 [2024-10-14 08:33:42,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-10-14 08:33:42,307 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 301 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:42,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 498 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 08:33:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-10-14 08:33:42,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 324. [2024-10-14 08:33:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 239 states have (on average 1.4267782426778242) internal successors, (341), 239 states have internal predecessors, (341), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 08:33:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 503 transitions. [2024-10-14 08:33:42,345 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 503 transitions. Word has length 175 [2024-10-14 08:33:42,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:42,346 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 503 transitions. [2024-10-14 08:33:42,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 503 transitions. [2024-10-14 08:33:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-14 08:33:42,348 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:42,348 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:42,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 08:33:42,348 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:42,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:42,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1561574931, now seen corresponding path program 1 times [2024-10-14 08:33:42,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:42,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753898802] [2024-10-14 08:33:42,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:49,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:49,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753898802] [2024-10-14 08:33:49,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753898802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:49,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:49,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 08:33:49,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163914391] [2024-10-14 08:33:49,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:49,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 08:33:49,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:49,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 08:33:49,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 08:33:49,101 INFO L87 Difference]: Start difference. First operand 324 states and 503 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:51,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:51,024 INFO L93 Difference]: Finished difference Result 756 states and 1148 transitions. [2024-10-14 08:33:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 08:33:51,025 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-10-14 08:33:51,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:51,028 INFO L225 Difference]: With dead ends: 756 [2024-10-14 08:33:51,031 INFO L226 Difference]: Without dead ends: 572 [2024-10-14 08:33:51,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2024-10-14 08:33:51,032 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 371 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:51,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 438 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 08:33:51,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-14 08:33:51,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 428. [2024-10-14 08:33:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 331 states have (on average 1.4169184290030212) internal successors, (469), 333 states have internal predecessors, (469), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-14 08:33:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 651 transitions. [2024-10-14 08:33:51,068 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 651 transitions. Word has length 175 [2024-10-14 08:33:51,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:51,068 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 651 transitions. [2024-10-14 08:33:51,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 651 transitions. [2024-10-14 08:33:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-14 08:33:51,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:51,070 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:51,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 08:33:51,070 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:51,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:51,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1504316629, now seen corresponding path program 1 times [2024-10-14 08:33:51,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:51,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980743094] [2024-10-14 08:33:51,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:51,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:53,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:53,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980743094] [2024-10-14 08:33:53,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980743094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:53,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:53,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 08:33:53,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553808418] [2024-10-14 08:33:53,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:53,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 08:33:53,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:53,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 08:33:53,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 08:33:53,423 INFO L87 Difference]: Start difference. First operand 428 states and 651 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:54,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:54,510 INFO L93 Difference]: Finished difference Result 915 states and 1375 transitions. [2024-10-14 08:33:54,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 08:33:54,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-10-14 08:33:54,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:54,519 INFO L225 Difference]: With dead ends: 915 [2024-10-14 08:33:54,523 INFO L226 Difference]: Without dead ends: 635 [2024-10-14 08:33:54,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-14 08:33:54,525 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 321 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:54,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 603 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 08:33:54,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-10-14 08:33:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 469. [2024-10-14 08:33:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 372 states have (on average 1.403225806451613) internal successors, (522), 374 states have internal predecessors, (522), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-14 08:33:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 704 transitions. [2024-10-14 08:33:54,588 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 704 transitions. Word has length 175 [2024-10-14 08:33:54,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:54,588 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 704 transitions. [2024-10-14 08:33:54,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 704 transitions. [2024-10-14 08:33:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-14 08:33:54,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:54,596 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:54,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 08:33:54,597 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:54,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:54,597 INFO L85 PathProgramCache]: Analyzing trace with hash 60021020, now seen corresponding path program 1 times [2024-10-14 08:33:54,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:54,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174137551] [2024-10-14 08:33:54,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:54,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:55,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:55,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174137551] [2024-10-14 08:33:55,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174137551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:55,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:55,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 08:33:55,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904076652] [2024-10-14 08:33:55,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:55,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 08:33:55,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:55,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 08:33:55,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 08:33:55,975 INFO L87 Difference]: Start difference. First operand 469 states and 704 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:56,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:56,383 INFO L93 Difference]: Finished difference Result 813 states and 1221 transitions. [2024-10-14 08:33:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 08:33:56,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-10-14 08:33:56,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:56,386 INFO L225 Difference]: With dead ends: 813 [2024-10-14 08:33:56,386 INFO L226 Difference]: Without dead ends: 519 [2024-10-14 08:33:56,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:33:56,388 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 170 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:56,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 474 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 08:33:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-10-14 08:33:56,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 469. [2024-10-14 08:33:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 372 states have (on average 1.3870967741935485) internal successors, (516), 374 states have internal predecessors, (516), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-14 08:33:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 698 transitions. [2024-10-14 08:33:56,437 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 698 transitions. Word has length 175 [2024-10-14 08:33:56,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:56,437 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 698 transitions. [2024-10-14 08:33:56,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 698 transitions. [2024-10-14 08:33:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-14 08:33:56,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:56,439 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:56,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 08:33:56,439 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:56,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:56,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1326294025, now seen corresponding path program 1 times [2024-10-14 08:33:56,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:56,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11953166] [2024-10-14 08:33:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:33:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:33:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:33:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:33:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:33:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:33:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:33:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:33:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:33:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:33:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:33:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:33:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:33:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:33:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:33:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:33:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:33:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:33:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:33:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:33:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:33:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:33:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:33:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:33:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:33:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:33:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:33:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:33:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:33:56,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:33:56,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11953166] [2024-10-14 08:33:56,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11953166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:33:56,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:33:56,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:33:56,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415308484] [2024-10-14 08:33:56,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:33:56,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:33:56,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:33:56,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:33:56,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:33:56,552 INFO L87 Difference]: Start difference. First operand 469 states and 698 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:56,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:33:56,594 INFO L93 Difference]: Finished difference Result 775 states and 1164 transitions. [2024-10-14 08:33:56,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:33:56,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-10-14 08:33:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:33:56,597 INFO L225 Difference]: With dead ends: 775 [2024-10-14 08:33:56,598 INFO L226 Difference]: Without dead ends: 481 [2024-10-14 08:33:56,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:33:56,599 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 10 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:33:56,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 261 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:33:56,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-14 08:33:56,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 469. [2024-10-14 08:33:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 372 states have (on average 1.3655913978494623) internal successors, (508), 374 states have internal predecessors, (508), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-14 08:33:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 690 transitions. [2024-10-14 08:33:56,629 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 690 transitions. Word has length 176 [2024-10-14 08:33:56,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:33:56,629 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 690 transitions. [2024-10-14 08:33:56,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:33:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 690 transitions. [2024-10-14 08:33:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-14 08:33:56,632 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:33:56,632 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:33:56,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 08:33:56,632 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:33:56,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:33:56,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1719321035, now seen corresponding path program 1 times [2024-10-14 08:33:56,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:33:56,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164696680] [2024-10-14 08:33:56,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:33:56,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:33:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:34:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:34:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:34:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:34:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:34:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:34:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:34:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:34:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:34:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:34:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:34:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:34:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:34:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:34:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:34:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:34:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:34:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:34:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:34:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:34:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:34:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:34:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:34:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:34:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:34:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:34:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:34:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:34:01,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:34:01,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164696680] [2024-10-14 08:34:01,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164696680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:34:01,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:34:01,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 08:34:01,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223939928] [2024-10-14 08:34:01,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:34:01,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 08:34:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:34:01,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 08:34:01,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-14 08:34:01,554 INFO L87 Difference]: Start difference. First operand 469 states and 690 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:34:03,336 INFO L93 Difference]: Finished difference Result 917 states and 1346 transitions. [2024-10-14 08:34:03,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 08:34:03,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-10-14 08:34:03,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:34:03,340 INFO L225 Difference]: With dead ends: 917 [2024-10-14 08:34:03,344 INFO L226 Difference]: Without dead ends: 669 [2024-10-14 08:34:03,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-14 08:34:03,346 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 372 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 08:34:03,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 448 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 08:34:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-10-14 08:34:03,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 403. [2024-10-14 08:34:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 316 states have (on average 1.3544303797468353) internal successors, (428), 316 states have internal predecessors, (428), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 08:34:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 590 transitions. [2024-10-14 08:34:03,374 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 590 transitions. Word has length 176 [2024-10-14 08:34:03,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:34:03,375 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 590 transitions. [2024-10-14 08:34:03,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 590 transitions. [2024-10-14 08:34:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-14 08:34:03,376 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:34:03,376 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:34:03,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 08:34:03,377 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:34:03,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:34:03,377 INFO L85 PathProgramCache]: Analyzing trace with hash -363890027, now seen corresponding path program 1 times [2024-10-14 08:34:03,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:34:03,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304291807] [2024-10-14 08:34:03,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:34:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:34:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:34:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:34:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:34:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:34:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:34:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:34:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:34:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:34:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:09,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:34:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:34:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:34:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:34:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:34:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:34:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:34:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:34:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:34:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:34:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:34:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:34:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:34:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:34:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:34:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:34:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:34:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:34:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:34:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:34:10,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:34:10,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304291807] [2024-10-14 08:34:10,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304291807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:34:10,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:34:10,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 08:34:10,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039279636] [2024-10-14 08:34:10,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:34:10,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 08:34:10,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:34:10,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 08:34:10,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-14 08:34:10,113 INFO L87 Difference]: Start difference. First operand 403 states and 590 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:11,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:34:11,999 INFO L93 Difference]: Finished difference Result 993 states and 1435 transitions. [2024-10-14 08:34:11,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 08:34:12,000 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-10-14 08:34:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:34:12,007 INFO L225 Difference]: With dead ends: 993 [2024-10-14 08:34:12,008 INFO L226 Difference]: Without dead ends: 739 [2024-10-14 08:34:12,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306 [2024-10-14 08:34:12,012 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 342 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:34:12,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 628 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 08:34:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-10-14 08:34:12,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 516. [2024-10-14 08:34:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 429 states have (on average 1.372960372960373) internal successors, (589), 429 states have internal predecessors, (589), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 08:34:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 751 transitions. [2024-10-14 08:34:12,083 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 751 transitions. Word has length 176 [2024-10-14 08:34:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:34:12,083 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 751 transitions. [2024-10-14 08:34:12,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 751 transitions. [2024-10-14 08:34:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-14 08:34:12,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:34:12,089 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:34:12,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 08:34:12,090 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:34:12,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:34:12,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1205624034, now seen corresponding path program 1 times [2024-10-14 08:34:12,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:34:12,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721528256] [2024-10-14 08:34:12,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:34:12,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:34:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:34:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:34:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:34:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:34:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:34:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:34:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:34:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:34:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:34:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:34:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:34:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:34:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:34:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:34:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:34:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:34:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:34:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:34:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:34:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:34:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:34:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:34:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:34:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:34:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:34:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:34:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:34:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:34:18,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:34:18,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721528256] [2024-10-14 08:34:18,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721528256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:34:18,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:34:18,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 08:34:18,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223957047] [2024-10-14 08:34:18,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:34:18,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 08:34:18,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:34:18,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 08:34:18,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:34:18,030 INFO L87 Difference]: Start difference. First operand 516 states and 751 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:34:19,620 INFO L93 Difference]: Finished difference Result 1075 states and 1572 transitions. [2024-10-14 08:34:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 08:34:19,621 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-10-14 08:34:19,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:34:19,628 INFO L225 Difference]: With dead ends: 1075 [2024-10-14 08:34:19,628 INFO L226 Difference]: Without dead ends: 787 [2024-10-14 08:34:19,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-14 08:34:19,629 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 241 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 08:34:19,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 808 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 08:34:19,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-10-14 08:34:19,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 506. [2024-10-14 08:34:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 419 states have (on average 1.3770883054892602) internal successors, (577), 419 states have internal predecessors, (577), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 08:34:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 739 transitions. [2024-10-14 08:34:19,678 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 739 transitions. Word has length 177 [2024-10-14 08:34:19,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:34:19,679 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 739 transitions. [2024-10-14 08:34:19,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 739 transitions. [2024-10-14 08:34:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-14 08:34:19,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:34:19,681 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:34:19,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 08:34:19,681 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:34:19,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:34:19,682 INFO L85 PathProgramCache]: Analyzing trace with hash -808870354, now seen corresponding path program 1 times [2024-10-14 08:34:19,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:34:19,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813055048] [2024-10-14 08:34:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:34:19,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:34:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:23,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:34:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:34:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:34:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:34:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:34:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:23,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:34:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:34:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:34:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:34:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:34:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:34:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:34:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:34:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:34:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:34:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:34:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:34:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:34:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:34:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:34:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:34:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:34:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:34:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:34:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:34:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:34:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:34:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:34:24,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:34:24,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813055048] [2024-10-14 08:34:24,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813055048] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:34:24,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:34:24,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 08:34:24,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804848413] [2024-10-14 08:34:24,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:34:24,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 08:34:24,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:34:24,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 08:34:24,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 08:34:24,106 INFO L87 Difference]: Start difference. First operand 506 states and 739 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:26,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:34:26,369 INFO L93 Difference]: Finished difference Result 1011 states and 1470 transitions. [2024-10-14 08:34:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 08:34:26,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-10-14 08:34:26,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:34:26,372 INFO L225 Difference]: With dead ends: 1011 [2024-10-14 08:34:26,372 INFO L226 Difference]: Without dead ends: 656 [2024-10-14 08:34:26,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2024-10-14 08:34:26,374 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 298 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 08:34:26,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 719 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 08:34:26,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-10-14 08:34:26,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 522. [2024-10-14 08:34:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 435 states have (on average 1.3655172413793104) internal successors, (594), 435 states have internal predecessors, (594), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 08:34:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 756 transitions. [2024-10-14 08:34:26,408 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 756 transitions. Word has length 177 [2024-10-14 08:34:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:34:26,408 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 756 transitions. [2024-10-14 08:34:26,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-14 08:34:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 756 transitions. [2024-10-14 08:34:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-14 08:34:26,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:34:26,409 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:34:26,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 08:34:26,410 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:34:26,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:34:26,410 INFO L85 PathProgramCache]: Analyzing trace with hash -751612052, now seen corresponding path program 1 times [2024-10-14 08:34:26,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:34:26,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408796381] [2024-10-14 08:34:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:34:26,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:34:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:34:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:34:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:34:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:34:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:34:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:34:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:34:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:34:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:34:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:34:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:34:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:34:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:34:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:34:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:34:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:34:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:34:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:34:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:34:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:34:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:34:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:34:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:34:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:34:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:34:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:34:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:34:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:34:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 08:34:46,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:34:46,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408796381] [2024-10-14 08:34:46,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408796381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:34:46,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:34:46,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 08:34:46,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659777814] [2024-10-14 08:34:46,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:34:46,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 08:34:46,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:34:46,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 08:34:46,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-10-14 08:34:46,143 INFO L87 Difference]: Start difference. First operand 522 states and 756 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-14 08:34:50,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:34:50,160 INFO L93 Difference]: Finished difference Result 938 states and 1349 transitions. [2024-10-14 08:34:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 08:34:50,160 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-10-14 08:34:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:34:50,164 INFO L225 Difference]: With dead ends: 938 [2024-10-14 08:34:50,167 INFO L226 Difference]: Without dead ends: 650 [2024-10-14 08:34:50,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2024-10-14 08:34:50,173 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 396 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 08:34:50,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 993 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 08:34:50,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-10-14 08:34:50,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 532. [2024-10-14 08:34:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 445 states have (on average 1.3617977528089888) internal successors, (606), 445 states have internal predecessors, (606), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 08:34:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 768 transitions. [2024-10-14 08:34:50,220 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 768 transitions. Word has length 177 [2024-10-14 08:34:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:34:50,220 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 768 transitions. [2024-10-14 08:34:50,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-14 08:34:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 768 transitions. [2024-10-14 08:34:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-14 08:34:50,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:34:50,225 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:34:50,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 08:34:50,225 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:34:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:34:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash 57734574, now seen corresponding path program 1 times [2024-10-14 08:34:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:34:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852143783] [2024-10-14 08:34:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:34:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:34:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat