./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-100_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 18ba50d64852b68ea2515543b9d6fd69509342b6bbaf4189c80d892ba3751848 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:53:03,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:53:03,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 07:53:03,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:53:03,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:53:04,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:53:04,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:53:04,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:53:04,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:53:04,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:53:04,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:53:04,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:53:04,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:53:04,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:53:04,043 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:53:04,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:53:04,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:53:04,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:53:04,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:53:04,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:53:04,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:53:04,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:53:04,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:53:04,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:53:04,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:53:04,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:53:04,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:53:04,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:53:04,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:53:04,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:53:04,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:53:04,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:53:04,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:53:04,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:53:04,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:53:04,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:53:04,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:53:04,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:53:04,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:53:04,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:53:04,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:53:04,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:53:04,053 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18ba50d64852b68ea2515543b9d6fd69509342b6bbaf4189c80d892ba3751848 [2024-10-11 07:53:04,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:53:04,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:53:04,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:53:04,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:53:04,341 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:53:04,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-10-11 07:53:05,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:53:05,980 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:53:05,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-10-11 07:53:05,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/556d99adb/3930c20ef4564eba9c8b7a87b63868f9/FLAG8852250cb [2024-10-11 07:53:06,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/556d99adb/3930c20ef4564eba9c8b7a87b63868f9 [2024-10-11 07:53:06,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:53:06,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:53:06,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:53:06,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:53:06,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:53:06,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467288fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06, skipping insertion in model container [2024-10-11 07:53:06,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:53:06,543 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-100_file-28.i[916,929] [2024-10-11 07:53:06,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:53:06,665 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:53:06,680 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-100_file-28.i[916,929] [2024-10-11 07:53:06,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:53:06,785 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:53:06,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06 WrapperNode [2024-10-11 07:53:06,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:53:06,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:53:06,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:53:06,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:53:06,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,869 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 400 [2024-10-11 07:53:06,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:53:06,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:53:06,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:53:06,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:53:06,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,896 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,940 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]. [2024-10-11 07:53:06,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:06,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:07,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:53:07,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:53:07,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:53:07,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:53:07,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (1/1) ... [2024-10-11 07:53:07,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:53:07,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:53:07,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 07:53:07,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 07:53:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:53:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:53:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:53:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:53:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:53:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:53:07,193 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:53:07,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:53:07,755 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 07:53:07,755 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:53:07,801 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:53:07,801 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:53:07,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:53:07 BoogieIcfgContainer [2024-10-11 07:53:07,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:53:07,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:53:07,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:53:07,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:53:07,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:53:06" (1/3) ... [2024-10-11 07:53:07,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3d3737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:53:07, skipping insertion in model container [2024-10-11 07:53:07,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:53:06" (2/3) ... [2024-10-11 07:53:07,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3d3737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:53:07, skipping insertion in model container [2024-10-11 07:53:07,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:53:07" (3/3) ... [2024-10-11 07:53:07,811 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-10-11 07:53:07,830 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:53:07,831 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:53:07,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:53:07,902 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;@75774c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:53:07,902 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:53:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 07:53:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-10-11 07:53:07,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:53:07,927 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:53:07,928 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:53:07,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:53:07,932 INFO L85 PathProgramCache]: Analyzing trace with hash -366880701, now seen corresponding path program 1 times [2024-10-11 07:53:07,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:53:07,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172025070] [2024-10-11 07:53:07,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:53:07,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:53:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:53:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:53:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:53:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:53:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:53:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:53:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:53:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:53:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:53:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:53:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:53:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:53:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:53:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:53:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:53:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:53:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:53:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:53:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:53:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:53:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:53:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:53:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 07:53:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:53:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:53:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:53:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:53:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:53:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:53:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 07:53:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:53:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 07:53:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:53:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:53:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 07:53:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 07:53:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 07:53:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 07:53:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 07:53:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 07:53:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 07:53:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 07:53:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:53:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 07:53:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 07:53:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 07:53:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 07:53:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 07:53:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 07:53:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 07:53:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 07:53:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 07:53:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:53:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 07:53:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:53:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 07:53:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 07:53:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 07:53:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-11 07:53:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-11 07:53:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-11 07:53:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-11 07:53:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-11 07:53:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-11 07:53:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-11 07:53:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-11 07:53:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 07:53:08,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:53:08,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172025070] [2024-10-11 07:53:08,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172025070] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:53:08,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:53:08,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 07:53:08,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069706983] [2024-10-11 07:53:08,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:53:08,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 07:53:08,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:53:08,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 07:53:08,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:53:08,870 INFO L87 Difference]: Start difference. First operand has 170 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-11 07:53:08,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:53:08,929 INFO L93 Difference]: Finished difference Result 337 states and 614 transitions. [2024-10-11 07:53:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 07:53:08,931 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) Word has length 401 [2024-10-11 07:53:08,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:53:08,941 INFO L225 Difference]: With dead ends: 337 [2024-10-11 07:53:08,941 INFO L226 Difference]: Without dead ends: 168 [2024-10-11 07:53:08,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:53:08,950 INFO L432 NwaCegarLoop]: 267 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, 267 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 [2024-10-11 07:53:08,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:53:08,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-11 07:53:09,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-10-11 07:53:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 07:53:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 270 transitions. [2024-10-11 07:53:09,016 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 270 transitions. Word has length 401 [2024-10-11 07:53:09,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:53:09,017 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 270 transitions. [2024-10-11 07:53:09,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-11 07:53:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 270 transitions. [2024-10-11 07:53:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-10-11 07:53:09,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:53:09,029 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:53:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:53:09,030 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:53:09,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:53:09,030 INFO L85 PathProgramCache]: Analyzing trace with hash -194715569, now seen corresponding path program 1 times [2024-10-11 07:53:09,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:53:09,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407442650] [2024-10-11 07:53:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:53:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:53:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:53:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:53:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:53:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:53:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:53:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:53:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:53:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:53:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:53:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:53:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:53:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:53:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:53:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:53:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:53:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:53:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:53:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:53:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:53:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:53:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:53:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:53:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 07:53:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:53:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:53:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:53:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:53:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:53:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:53:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 07:53:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:53:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 07:53:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:53:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:53:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 07:53:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 07:53:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 07:53:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 07:53:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 07:53:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 07:53:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 07:53:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 07:53:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:53:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 07:53:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 07:53:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 07:53:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 07:53:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 07:53:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 07:53:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 07:53:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 07:53:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 07:53:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:53:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 07:53:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:53:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 07:53:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 07:53:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 07:53:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-11 07:53:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-11 07:53:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-11 07:53:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-11 07:53:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-11 07:53:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-11 07:53:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-11 07:53:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-11 07:53:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:53:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 07:53:09,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:53:09,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407442650] [2024-10-11 07:53:09,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407442650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:53:09,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:53:09,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:53:09,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535790329] [2024-10-11 07:53:09,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:53:09,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:53:09,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:53:09,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:53:09,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:53:09,920 INFO L87 Difference]: Start difference. First operand 168 states and 270 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 07:53:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:53:09,998 INFO L93 Difference]: Finished difference Result 502 states and 808 transitions. [2024-10-11 07:53:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:53:09,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 401 [2024-10-11 07:53:10,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:53:10,005 INFO L225 Difference]: With dead ends: 502 [2024-10-11 07:53:10,007 INFO L226 Difference]: Without dead ends: 335 [2024-10-11 07:53:10,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:53:10,011 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 153 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:53:10,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 526 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:53:10,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-11 07:53:10,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 333. [2024-10-11 07:53:10,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 198 states have (on average 1.378787878787879) internal successors, (273), 198 states have internal predecessors, (273), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-11 07:53:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 537 transitions. [2024-10-11 07:53:10,079 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 537 transitions. Word has length 401 [2024-10-11 07:53:10,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:53:10,082 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 537 transitions. [2024-10-11 07:53:10,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 07:53:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 537 transitions. [2024-10-11 07:53:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-10-11 07:53:10,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:53:10,088 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:53:10,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:53:10,089 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:53:10,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:53:10,089 INFO L85 PathProgramCache]: Analyzing trace with hash -764635404, now seen corresponding path program 1 times [2024-10-11 07:53:10,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:53:10,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551629014] [2024-10-11 07:53:10,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:53:10,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:53:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:54:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:54:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:54:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:54:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:54:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:54:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:54:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:54:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:54:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:54:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:54:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:54:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:54:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:54:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:54:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:54:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:54:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:54:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:54:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:54:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:54:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:54:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 07:54:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:54:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:54:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:54:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:54:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:54:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:54:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 07:54:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:54:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 07:54:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:54:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:54:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 07:54:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 07:54:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 07:54:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 07:54:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 07:54:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 07:54:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 07:54:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 07:54:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:54:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 07:54:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 07:54:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 07:54:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 07:54:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 07:54:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 07:54:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 07:54:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 07:54:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 07:54:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:54:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 07:54:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:54:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 07:54:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 07:54:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 07:54:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-11 07:54:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-11 07:54:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-11 07:54:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-11 07:54:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-11 07:54:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-11 07:54:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-11 07:54:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-11 07:54:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 07:54:16,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:54:16,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551629014] [2024-10-11 07:54:16,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551629014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:54:16,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:54:16,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 07:54:16,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868361118] [2024-10-11 07:54:16,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:54:16,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 07:54:16,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:54:16,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 07:54:16,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-10-11 07:54:16,308 INFO L87 Difference]: Start difference. First operand 333 states and 537 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-11 07:54:21,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:54:21,546 INFO L93 Difference]: Finished difference Result 1186 states and 1877 transitions. [2024-10-11 07:54:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 07:54:21,547 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 402 [2024-10-11 07:54:21,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:54:21,553 INFO L225 Difference]: With dead ends: 1186 [2024-10-11 07:54:21,553 INFO L226 Difference]: Without dead ends: 854 [2024-10-11 07:54:21,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2024-10-11 07:54:21,556 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 675 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:54:21,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1823 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-11 07:54:21,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-10-11 07:54:21,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 687. [2024-10-11 07:54:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 418 states have (on average 1.38755980861244) internal successors, (580), 418 states have internal predecessors, (580), 264 states have call successors, (264), 4 states have call predecessors, (264), 4 states have return successors, (264), 264 states have call predecessors, (264), 264 states have call successors, (264) [2024-10-11 07:54:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1108 transitions. [2024-10-11 07:54:21,641 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1108 transitions. Word has length 402 [2024-10-11 07:54:21,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:54:21,644 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 1108 transitions. [2024-10-11 07:54:21,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-11 07:54:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1108 transitions. [2024-10-11 07:54:21,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-10-11 07:54:21,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:54:21,650 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:54:21,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:54:21,650 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:54:21,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:54:21,651 INFO L85 PathProgramCache]: Analyzing trace with hash -84577034, now seen corresponding path program 1 times [2024-10-11 07:54:21,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:54:21,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323041163] [2024-10-11 07:54:21,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:54:21,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:54:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:54:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:54:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:54:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:54:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:54:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:54:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:54:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:54:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:54:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:54:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:54:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:54:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:54:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:54:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:54:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:54:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:54:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:54:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:54:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:54:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:54:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:54:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 07:54:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:54:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:54:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:54:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:54:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:54:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:54:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 07:54:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:54:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 07:54:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:54:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:54:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 07:54:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 07:54:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 07:54:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 07:54:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 07:54:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 07:54:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 07:54:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 07:54:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 07:54:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 07:54:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 07:54:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 07:54:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 07:54:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 07:54:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 07:54:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 07:54:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 07:54:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 07:54:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:54:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 07:54:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:54:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 07:54:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 07:54:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 07:54:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-11 07:54:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-11 07:54:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-11 07:54:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-11 07:54:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-11 07:54:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-11 07:54:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-11 07:54:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-11 07:54:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:54:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 07:54:22,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:54:22,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323041163] [2024-10-11 07:54:22,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323041163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:54:22,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:54:22,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:54:22,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645451269] [2024-10-11 07:54:22,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:54:22,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:54:22,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:54:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:54:22,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:54:22,024 INFO L87 Difference]: Start difference. First operand 687 states and 1108 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 07:54:22,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:54:22,494 INFO L93 Difference]: Finished difference Result 1801 states and 2899 transitions. [2024-10-11 07:54:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 07:54:22,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 402 [2024-10-11 07:54:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:54:22,503 INFO L225 Difference]: With dead ends: 1801 [2024-10-11 07:54:22,504 INFO L226 Difference]: Without dead ends: 1115 [2024-10-11 07:54:22,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 07:54:22,509 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 584 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 07:54:22,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1055 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 07:54:22,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2024-10-11 07:54:22,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 701. [2024-10-11 07:54:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 432 states have (on average 1.3842592592592593) internal successors, (598), 432 states have internal predecessors, (598), 264 states have call successors, (264), 4 states have call predecessors, (264), 4 states have return successors, (264), 264 states have call predecessors, (264), 264 states have call successors, (264) [2024-10-11 07:54:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1126 transitions. [2024-10-11 07:54:22,593 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1126 transitions. Word has length 402 [2024-10-11 07:54:22,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:54:22,594 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1126 transitions. [2024-10-11 07:54:22,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 07:54:22,594 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1126 transitions. [2024-10-11 07:54:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-10-11 07:54:22,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:54:22,597 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:54:22,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:54:22,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:54:22,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:54:22,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1351441418, now seen corresponding path program 1 times [2024-10-11 07:54:22,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:54:22,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611093816] [2024-10-11 07:54:22,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:54:22,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:54:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat