./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:32:04,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:32:04,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:32:04,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:32:04,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:32:04,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:32:04,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:32:04,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:32:04,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:32:04,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:32:04,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:32:04,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:32:04,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:32:04,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:32:04,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:32:04,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:32:04,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:32:04,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:32:04,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:32:04,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:32:04,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:32:04,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:32:04,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:32:04,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:32:04,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:32:04,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:32:04,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:32:04,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:32:04,156 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:32:04,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:32:04,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:32:04,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:32:04,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:32:04,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:32:04,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:32:04,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:32:04,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:32:04,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:32:04,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:32:04,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:32:04,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:32:04,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:32:04,177 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e [2024-11-10 05:32:04,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:32:04,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:32:04,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:32:04,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:32:04,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:32:04,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-10 05:32:05,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:32:06,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:32:06,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-10 05:32:06,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5fc389d7/b364cdba5d9f4130ae0117f9fd6b5117/FLAG04565a49b [2024-11-10 05:32:06,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5fc389d7/b364cdba5d9f4130ae0117f9fd6b5117 [2024-11-10 05:32:06,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:32:06,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:32:06,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:32:06,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:32:06,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:32:06,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:06,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebe3111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06, skipping insertion in model container [2024-11-10 05:32:06,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:06,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:32:06,720 WARN L250 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_fillercodestructure_filler-pr-ci_file-81.i[919,932] [2024-11-10 05:32:06,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:32:06,832 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:32:06,846 WARN L250 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_fillercodestructure_filler-pr-ci_file-81.i[919,932] [2024-11-10 05:32:06,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:32:06,925 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:32:06,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06 WrapperNode [2024-11-10 05:32:06,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:32:06,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:32:06,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:32:06,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:32:06,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:06,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,003 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2024-11-10 05:32:07,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:32:07,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:32:07,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:32:07,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:32:07,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,045 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]. [2024-11-10 05:32:07,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:32:07,082 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:32:07,082 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:32:07,082 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:32:07,083 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (1/1) ... [2024-11-10 05:32:07,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:32:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:32:07,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 05:32:07,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 05:32:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:32:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:32:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:32:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:32:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:32:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:32:07,259 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:32:07,260 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:32:07,681 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: havoc property_#t~bitwise25#1;havoc property_#t~short26#1; [2024-11-10 05:32:07,729 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 05:32:07,730 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:32:07,759 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:32:07,759 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:32:07,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:32:07 BoogieIcfgContainer [2024-11-10 05:32:07,760 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:32:07,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:32:07,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:32:07,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:32:07,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:32:06" (1/3) ... [2024-11-10 05:32:07,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd30366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:32:07, skipping insertion in model container [2024-11-10 05:32:07,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:32:06" (2/3) ... [2024-11-10 05:32:07,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd30366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:32:07, skipping insertion in model container [2024-11-10 05:32:07,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:32:07" (3/3) ... [2024-11-10 05:32:07,771 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-10 05:32:07,791 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:32:07,792 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:32:07,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:32:07,869 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;@2368bbbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:32:07,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:32:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 05:32:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 05:32:07,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:07,893 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:07,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:07,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash 393442406, now seen corresponding path program 1 times [2024-11-10 05:32:07,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:07,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108966523] [2024-11-10 05:32:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:07,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:32:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:32:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:32:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:32:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:32:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:32:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:32:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:32:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:32:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:32:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:32:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:32:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:32:08,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:08,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108966523] [2024-11-10 05:32:08,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108966523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:08,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:08,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:32:08,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373675064] [2024-11-10 05:32:08,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:08,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:32:08,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:08,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:32:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:32:08,532 INFO L87 Difference]: Start difference. First operand has 109 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:32:08,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:08,590 INFO L93 Difference]: Finished difference Result 209 states and 364 transitions. [2024-11-10 05:32:08,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:32:08,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2024-11-10 05:32:08,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:08,607 INFO L225 Difference]: With dead ends: 209 [2024-11-10 05:32:08,609 INFO L226 Difference]: Without dead ends: 103 [2024-11-10 05:32:08,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:32:08,619 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:08,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:32:08,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-10 05:32:08,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-10 05:32:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 70 states have (on average 1.4) internal successors, (98), 70 states have internal predecessors, (98), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 05:32:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 160 transitions. [2024-11-10 05:32:08,680 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 160 transitions. Word has length 204 [2024-11-10 05:32:08,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:08,681 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 160 transitions. [2024-11-10 05:32:08,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:32:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-10 05:32:08,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 05:32:08,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:08,689 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:08,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:32:08,690 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:08,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash -217988085, now seen corresponding path program 1 times [2024-11-10 05:32:08,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:08,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439615502] [2024-11-10 05:32:08,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:08,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:32:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:32:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:32:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:32:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:32:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:32:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:32:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:32:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:32:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:32:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:32:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:32:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:32:11,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:11,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439615502] [2024-11-10 05:32:11,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439615502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:11,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:11,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 05:32:11,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115102241] [2024-11-10 05:32:11,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:11,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 05:32:11,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:11,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 05:32:11,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 05:32:11,233 INFO L87 Difference]: Start difference. First operand 103 states and 160 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:12,523 INFO L93 Difference]: Finished difference Result 407 states and 624 transitions. [2024-11-10 05:32:12,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 05:32:12,524 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-10 05:32:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:12,532 INFO L225 Difference]: With dead ends: 407 [2024-11-10 05:32:12,532 INFO L226 Difference]: Without dead ends: 307 [2024-11-10 05:32:12,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-10 05:32:12,535 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 618 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:12,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 788 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 05:32:12,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-10 05:32:12,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 179. [2024-11-10 05:32:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 114 states have (on average 1.3771929824561404) internal successors, (157), 114 states have internal predecessors, (157), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 05:32:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 281 transitions. [2024-11-10 05:32:12,580 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 281 transitions. Word has length 204 [2024-11-10 05:32:12,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:12,581 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 281 transitions. [2024-11-10 05:32:12,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 281 transitions. [2024-11-10 05:32:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 05:32:12,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:12,588 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:12,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:32:12,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:12,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash -414501590, now seen corresponding path program 1 times [2024-11-10 05:32:12,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:12,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690269195] [2024-11-10 05:32:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:32:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:32:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:32:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:32:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:32:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:32:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:32:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:32:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:32:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:32:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:32:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:32:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:32:32,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:32,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690269195] [2024-11-10 05:32:32,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690269195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:32,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:32,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 05:32:32,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075534117] [2024-11-10 05:32:32,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:32,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 05:32:32,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:32,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 05:32:32,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-10 05:32:32,895 INFO L87 Difference]: Start difference. First operand 179 states and 281 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:36,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:36,540 INFO L93 Difference]: Finished difference Result 513 states and 790 transitions. [2024-11-10 05:32:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 05:32:36,541 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-10 05:32:36,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:36,544 INFO L225 Difference]: With dead ends: 513 [2024-11-10 05:32:36,544 INFO L226 Difference]: Without dead ends: 413 [2024-11-10 05:32:36,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2024-11-10 05:32:36,546 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 684 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:36,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 690 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 05:32:36,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-10 05:32:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 221. [2024-11-10 05:32:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 156 states have (on average 1.455128205128205) internal successors, (227), 156 states have internal predecessors, (227), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 05:32:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 351 transitions. [2024-11-10 05:32:36,581 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 351 transitions. Word has length 204 [2024-11-10 05:32:36,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:36,582 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 351 transitions. [2024-11-10 05:32:36,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 351 transitions. [2024-11-10 05:32:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 05:32:36,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:36,585 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:36,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:32:36,585 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:36,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:36,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1093050219, now seen corresponding path program 1 times [2024-11-10 05:32:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:36,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086758414] [2024-11-10 05:32:36,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:32:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:32:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:32:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:32:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:32:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:32:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:32:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:32:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:32:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:32:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:32:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:32:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:32:36,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086758414] [2024-11-10 05:32:36,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086758414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:36,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:36,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:32:36,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493415239] [2024-11-10 05:32:36,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:36,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:32:36,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:36,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:32:36,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:32:36,893 INFO L87 Difference]: Start difference. First operand 221 states and 351 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:36,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:36,999 INFO L93 Difference]: Finished difference Result 430 states and 680 transitions. [2024-11-10 05:32:36,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:32:37,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-10 05:32:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:37,002 INFO L225 Difference]: With dead ends: 430 [2024-11-10 05:32:37,003 INFO L226 Difference]: Without dead ends: 284 [2024-11-10 05:32:37,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:32:37,008 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 69 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:37,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 451 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:32:37,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-10 05:32:37,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2024-11-10 05:32:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 211 states have internal predecessors, (301), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 05:32:37,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 433 transitions. [2024-11-10 05:32:37,053 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 433 transitions. Word has length 204 [2024-11-10 05:32:37,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:37,054 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 433 transitions. [2024-11-10 05:32:37,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 433 transitions. [2024-11-10 05:32:37,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 05:32:37,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:37,059 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:37,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:32:37,060 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:37,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:37,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1411573943, now seen corresponding path program 1 times [2024-11-10 05:32:37,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:37,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103317524] [2024-11-10 05:32:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:37,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:32:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:32:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:32:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:32:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:32:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:32:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:32:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:32:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:32:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:32:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:32:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:32:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:32:48,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:48,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103317524] [2024-11-10 05:32:48,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103317524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:48,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:48,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 05:32:48,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779166252] [2024-11-10 05:32:48,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:48,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 05:32:48,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:48,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 05:32:48,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-10 05:32:48,447 INFO L87 Difference]: Start difference. First operand 280 states and 433 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:54,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:54,211 INFO L93 Difference]: Finished difference Result 757 states and 1128 transitions. [2024-11-10 05:32:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 05:32:54,218 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-10 05:32:54,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:54,225 INFO L225 Difference]: With dead ends: 757 [2024-11-10 05:32:54,226 INFO L226 Difference]: Without dead ends: 587 [2024-11-10 05:32:54,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2024-11-10 05:32:54,228 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1157 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:54,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 870 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 05:32:54,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-10 05:32:54,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 299. [2024-11-10 05:32:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 229 states have (on average 1.4366812227074235) internal successors, (329), 230 states have internal predecessors, (329), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 05:32:54,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 461 transitions. [2024-11-10 05:32:54,273 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 461 transitions. Word has length 204 [2024-11-10 05:32:54,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:54,274 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 461 transitions. [2024-11-10 05:32:54,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:32:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 461 transitions. [2024-11-10 05:32:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 05:32:54,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:54,277 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:54,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:32:54,277 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:54,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:54,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1258973461, now seen corresponding path program 1 times [2024-11-10 05:32:54,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:54,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189051043] [2024-11-10 05:32:54,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:54,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:32:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:32:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:32:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:32:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:32:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:32:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:32:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:32:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:32:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:32:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:32:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:32:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:32:55,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:55,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189051043] [2024-11-10 05:32:55,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189051043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:55,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:55,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 05:32:55,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60204689] [2024-11-10 05:32:55,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:55,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 05:32:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:55,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 05:32:55,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-10 05:32:55,617 INFO L87 Difference]: Start difference. First operand 299 states and 461 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:32:57,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:57,045 INFO L93 Difference]: Finished difference Result 797 states and 1208 transitions. [2024-11-10 05:32:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 05:32:57,046 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2024-11-10 05:32:57,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:57,050 INFO L225 Difference]: With dead ends: 797 [2024-11-10 05:32:57,050 INFO L226 Difference]: Without dead ends: 621 [2024-11-10 05:32:57,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-10 05:32:57,052 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 915 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:57,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 846 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 05:32:57,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-10 05:32:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 317. [2024-11-10 05:32:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 247 states have (on average 1.4453441295546559) internal successors, (357), 248 states have internal predecessors, (357), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 05:32:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 489 transitions. [2024-11-10 05:32:57,100 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 489 transitions. Word has length 204 [2024-11-10 05:32:57,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:57,100 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 489 transitions. [2024-11-10 05:32:57,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:32:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 489 transitions. [2024-11-10 05:32:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 05:32:57,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:57,104 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:57,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 05:32:57,104 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:57,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash 845337064, now seen corresponding path program 1 times [2024-11-10 05:32:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:57,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918816504] [2024-11-10 05:32:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:32:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:32:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:32:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:32:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:32:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:32:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:32:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:32:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:32:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:32:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:32:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:32:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:32:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:32:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:32:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:32:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:32:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:32:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:32:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:32:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:32:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:32:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:32:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:32:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:32:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:32:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:32:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:32:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:32:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:58,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:32:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:58,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:32:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:32:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:32:58,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:32:58,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918816504] [2024-11-10 05:32:58,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918816504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:32:58,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:32:58,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 05:32:58,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879988417] [2024-11-10 05:32:58,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:32:58,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 05:32:58,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:32:58,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 05:32:58,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 05:32:58,036 INFO L87 Difference]: Start difference. First operand 317 states and 489 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:32:58,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:32:58,691 INFO L93 Difference]: Finished difference Result 701 states and 1071 transitions. [2024-11-10 05:32:58,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 05:32:58,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2024-11-10 05:32:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:32:58,696 INFO L225 Difference]: With dead ends: 701 [2024-11-10 05:32:58,696 INFO L226 Difference]: Without dead ends: 522 [2024-11-10 05:32:58,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-10 05:32:58,697 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 612 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 05:32:58,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 821 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 05:32:58,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-10 05:32:58,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 313. [2024-11-10 05:32:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 243 states have (on average 1.440329218106996) internal successors, (350), 244 states have internal predecessors, (350), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 05:32:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 482 transitions. [2024-11-10 05:32:58,734 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 482 transitions. Word has length 204 [2024-11-10 05:32:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:32:58,734 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 482 transitions. [2024-11-10 05:32:58,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 05:32:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 482 transitions. [2024-11-10 05:32:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-10 05:32:58,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:32:58,738 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:32:58,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 05:32:58,739 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:32:58,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:32:58,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1739905458, now seen corresponding path program 1 times [2024-11-10 05:32:58,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:32:58,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239845326] [2024-11-10 05:32:58,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:32:58,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:32:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:33:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:33:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:33:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:33:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:33:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:33:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:33:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:33:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:33:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:33:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:33:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:33:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:33:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:33:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:33:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:33:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:33:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:33:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:33:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:33:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:33:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:33:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:33:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:33:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:33:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:33:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:33:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:33:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:33:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 05:33:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:33:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:33:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 05:33:10,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:33:10,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239845326] [2024-11-10 05:33:10,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239845326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:33:10,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:33:10,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 05:33:10,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710159932] [2024-11-10 05:33:10,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:33:10,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 05:33:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:33:10,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 05:33:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-10 05:33:10,921 INFO L87 Difference]: Start difference. First operand 313 states and 482 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:33:14,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:33:14,527 INFO L93 Difference]: Finished difference Result 704 states and 1067 transitions. [2024-11-10 05:33:14,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 05:33:14,528 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-10 05:33:14,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:33:14,531 INFO L225 Difference]: With dead ends: 704 [2024-11-10 05:33:14,531 INFO L226 Difference]: Without dead ends: 534 [2024-11-10 05:33:14,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-10 05:33:14,534 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 976 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 05:33:14,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 786 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 05:33:14,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-10 05:33:14,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 323. [2024-11-10 05:33:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 253 states have (on average 1.4505928853754941) internal successors, (367), 254 states have internal predecessors, (367), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 05:33:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 499 transitions. [2024-11-10 05:33:14,575 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 499 transitions. Word has length 205 [2024-11-10 05:33:14,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:33:14,576 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 499 transitions. [2024-11-10 05:33:14,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 05:33:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 499 transitions. [2024-11-10 05:33:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-10 05:33:14,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:33:14,580 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:33:14,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 05:33:14,580 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:33:14,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:33:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1710589967, now seen corresponding path program 1 times [2024-11-10 05:33:14,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:33:14,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537680579] [2024-11-10 05:33:14,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:33:14,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:33:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat