./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-28.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f39224035a48d7ce9f482be8546347834a5df70ab5c0e607d2efca2756bbcbb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:43:10,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:43:11,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:43:11,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:43:11,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:43:11,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:43:11,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:43:11,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:43:11,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:43:11,086 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:43:11,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:43:11,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:43:11,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:43:11,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:43:11,088 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:43:11,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:43:11,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:43:11,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:43:11,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:43:11,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:43:11,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:43:11,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:43:11,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:43:11,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:43:11,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:43:11,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:43:11,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:43:11,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:43:11,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:43:11,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:43:11,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:43:11,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:43:11,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:43:11,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:43:11,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:43:11,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:43:11,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:43:11,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:43:11,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:43:11,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:43:11,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:43:11,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:43:11,111 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f39224035a48d7ce9f482be8546347834a5df70ab5c0e607d2efca2756bbcbb [2024-10-11 08:43:11,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:43:11,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:43:11,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:43:11,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:43:11,403 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:43:11,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-28.i [2024-10-11 08:43:12,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:43:13,081 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:43:13,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-28.i [2024-10-11 08:43:13,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/dfb1b311c/061e74adb4414e618f8fd4df9ea283d6/FLAGea9c7a4d4 [2024-10-11 08:43:13,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/dfb1b311c/061e74adb4414e618f8fd4df9ea283d6 [2024-10-11 08:43:13,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:43:13,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:43:13,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:43:13,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:43:13,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:43:13,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e035b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13, skipping insertion in model container [2024-10-11 08:43:13,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:43:13,360 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-28.i[915,928] [2024-10-11 08:43:13,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:43:13,513 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:43:13,528 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-28.i[915,928] [2024-10-11 08:43:13,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:43:13,617 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:43:13,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13 WrapperNode [2024-10-11 08:43:13,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:43:13,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:43:13,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:43:13,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:43:13,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,696 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 262 [2024-10-11 08:43:13,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:43:13,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:43:13,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:43:13,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:43:13,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,741 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 08:43:13,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:43:13,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:43:13,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:43:13,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:43:13,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (1/1) ... [2024-10-11 08:43:13,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:43:13,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:43:13,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:43:13,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:43:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:43:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:43:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:43:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:43:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:43:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:43:14,009 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:43:14,015 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:43:14,612 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 08:43:14,613 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:43:14,664 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:43:14,665 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:43:14,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:43:14 BoogieIcfgContainer [2024-10-11 08:43:14,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:43:14,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:43:14,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:43:14,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:43:14,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:43:13" (1/3) ... [2024-10-11 08:43:14,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e906840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:43:14, skipping insertion in model container [2024-10-11 08:43:14,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:13" (2/3) ... [2024-10-11 08:43:14,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e906840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:43:14, skipping insertion in model container [2024-10-11 08:43:14,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:43:14" (3/3) ... [2024-10-11 08:43:14,678 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-28.i [2024-10-11 08:43:14,697 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:43:14,698 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:43:14,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:43:14,792 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;@304e237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:43:14,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:43:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 69 states have (on average 1.463768115942029) internal successors, (101), 70 states have internal predecessors, (101), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 08:43:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 08:43:14,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:14,822 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:14,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:14,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:14,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1980497412, now seen corresponding path program 1 times [2024-10-11 08:43:14,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:14,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229354191] [2024-10-11 08:43:14,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:14,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:43:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:43:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:43:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:43:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:43:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:43:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:43:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:43:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:43:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:43:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:43:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:43:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:43:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:43:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:43:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:43:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:43:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:43:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:43:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:43:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:43:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:43:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 08:43:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:43:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 08:43:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:43:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 08:43:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:43:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 08:43:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:43:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 08:43:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:43:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:43:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:43:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 08:43:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 08:43:15,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:43:15,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229354191] [2024-10-11 08:43:15,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229354191] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:43:15,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:43:15,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:43:15,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352615870] [2024-10-11 08:43:15,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:43:15,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:43:15,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:43:15,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:43:15,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:43:15,647 INFO L87 Difference]: Start difference. First operand has 107 states, 69 states have (on average 1.463768115942029) internal successors, (101), 70 states have internal predecessors, (101), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-11 08:43:15,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:43:15,704 INFO L93 Difference]: Finished difference Result 211 states and 375 transitions. [2024-10-11 08:43:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:43:15,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 222 [2024-10-11 08:43:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:43:15,719 INFO L225 Difference]: With dead ends: 211 [2024-10-11 08:43:15,720 INFO L226 Difference]: Without dead ends: 105 [2024-10-11 08:43:15,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:43:15,732 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:43:15,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:43:15,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-11 08:43:15,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-11 08:43:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 08:43:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 166 transitions. [2024-10-11 08:43:15,812 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 166 transitions. Word has length 222 [2024-10-11 08:43:15,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:43:15,813 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 166 transitions. [2024-10-11 08:43:15,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-11 08:43:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2024-10-11 08:43:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 08:43:15,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:15,824 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:15,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:43:15,825 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:15,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash -265122430, now seen corresponding path program 1 times [2024-10-11 08:43:15,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:15,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455943226] [2024-10-11 08:43:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:43:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:43:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:43:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:43:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:43:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:43:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:43:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:43:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:43:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:43:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:43:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:43:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:43:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:43:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:43:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:43:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:43:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:43:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:43:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:43:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:43:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:43:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 08:43:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:43:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 08:43:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:43:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 08:43:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:43:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 08:43:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:43:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 08:43:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:43:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:43:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:43:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 08:43:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 08:43:16,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:43:16,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455943226] [2024-10-11 08:43:16,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455943226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:43:16,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:43:16,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:43:16,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294904281] [2024-10-11 08:43:16,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:43:16,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:43:16,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:43:16,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:43:16,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:43:16,677 INFO L87 Difference]: Start difference. First operand 105 states and 166 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:43:17,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:43:17,130 INFO L93 Difference]: Finished difference Result 296 states and 464 transitions. [2024-10-11 08:43:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:43:17,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-11 08:43:17,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:43:17,135 INFO L225 Difference]: With dead ends: 296 [2024-10-11 08:43:17,135 INFO L226 Difference]: Without dead ends: 192 [2024-10-11 08:43:17,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:43:17,137 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 283 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 08:43:17,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 334 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 08:43:17,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-11 08:43:17,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 110. [2024-10-11 08:43:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 72 states have internal predecessors, (100), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 08:43:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 170 transitions. [2024-10-11 08:43:17,182 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 170 transitions. Word has length 222 [2024-10-11 08:43:17,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:43:17,184 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 170 transitions. [2024-10-11 08:43:17,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:43:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2024-10-11 08:43:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 08:43:17,191 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:17,192 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:17,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 08:43:17,192 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:17,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:17,194 INFO L85 PathProgramCache]: Analyzing trace with hash -399135936, now seen corresponding path program 1 times [2024-10-11 08:43:17,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:17,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16493809] [2024-10-11 08:43:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:17,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:43:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:43:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:43:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:43:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:43:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:43:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:43:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:43:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:43:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:43:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:43:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:43:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:43:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:43:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:43:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:43:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:43:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:43:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:43:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:43:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:43:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:43:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 08:43:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:43:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 08:43:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:43:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 08:43:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:43:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 08:43:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:43:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 08:43:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:43:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:43:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:43:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 08:43:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 08:43:53,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:43:53,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16493809] [2024-10-11 08:43:53,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16493809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:43:53,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:43:53,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 08:43:53,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139942546] [2024-10-11 08:43:53,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:43:53,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 08:43:53,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:43:53,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 08:43:53,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 08:43:53,963 INFO L87 Difference]: Start difference. First operand 110 states and 170 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:43:57,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:43:57,113 INFO L93 Difference]: Finished difference Result 401 states and 611 transitions. [2024-10-11 08:43:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 08:43:57,114 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-11 08:43:57,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:43:57,117 INFO L225 Difference]: With dead ends: 401 [2024-10-11 08:43:57,117 INFO L226 Difference]: Without dead ends: 292 [2024-10-11 08:43:57,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-10-11 08:43:57,120 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 271 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 08:43:57,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 862 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 08:43:57,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-11 08:43:57,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 230. [2024-10-11 08:43:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 155 states have (on average 1.4) internal successors, (217), 155 states have internal predecessors, (217), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-11 08:43:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 357 transitions. [2024-10-11 08:43:57,179 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 357 transitions. Word has length 222 [2024-10-11 08:43:57,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:43:57,182 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 357 transitions. [2024-10-11 08:43:57,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:43:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 357 transitions. [2024-10-11 08:43:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 08:43:57,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:57,187 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:57,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 08:43:57,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:57,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:57,189 INFO L85 PathProgramCache]: Analyzing trace with hash -985941950, now seen corresponding path program 1 times [2024-10-11 08:43:57,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:57,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817605106] [2024-10-11 08:43:57,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:57,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:44:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:44:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:44:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:44:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:44:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:44:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:44:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:44:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:44:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:44:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:44:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 08:44:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:44:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 08:44:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:44:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 08:44:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:44:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 08:44:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:44:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 08:44:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:44:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:44:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:44:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 08:44:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 08:44:19,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:19,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817605106] [2024-10-11 08:44:19,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817605106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:19,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:19,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 08:44:19,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564976570] [2024-10-11 08:44:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:19,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 08:44:19,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:20,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 08:44:20,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 08:44:20,002 INFO L87 Difference]: Start difference. First operand 230 states and 357 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:44:23,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:23,988 INFO L93 Difference]: Finished difference Result 521 states and 797 transitions. [2024-10-11 08:44:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 08:44:23,989 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-11 08:44:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:24,011 INFO L225 Difference]: With dead ends: 521 [2024-10-11 08:44:24,012 INFO L226 Difference]: Without dead ends: 292 [2024-10-11 08:44:24,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-10-11 08:44:24,019 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 233 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:24,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 986 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 08:44:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-11 08:44:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 230. [2024-10-11 08:44:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 155 states have (on average 1.4) internal successors, (217), 155 states have internal predecessors, (217), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-11 08:44:24,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 357 transitions. [2024-10-11 08:44:24,067 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 357 transitions. Word has length 222 [2024-10-11 08:44:24,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:24,068 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 357 transitions. [2024-10-11 08:44:24,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:44:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 357 transitions. [2024-10-11 08:44:24,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 08:44:24,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:24,071 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:24,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 08:44:24,072 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:24,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:24,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1678999614, now seen corresponding path program 1 times [2024-10-11 08:44:24,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:24,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927725977] [2024-10-11 08:44:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:44:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:44:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:44:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:44:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:44:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:44:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:44:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:44:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:44:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:44:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:44:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 08:44:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:44:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 08:44:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:44:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 08:44:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:44:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 08:44:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:44:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 08:44:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:44:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:44:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:44:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 08:44:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-11 08:44:24,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:24,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927725977] [2024-10-11 08:44:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927725977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:24,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:24,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 08:44:24,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949602094] [2024-10-11 08:44:24,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:24,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 08:44:24,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:24,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 08:44:24,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:44:24,464 INFO L87 Difference]: Start difference. First operand 230 states and 357 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:44:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:24,742 INFO L93 Difference]: Finished difference Result 715 states and 1105 transitions. [2024-10-11 08:44:24,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 08:44:24,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-11 08:44:24,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:24,748 INFO L225 Difference]: With dead ends: 715 [2024-10-11 08:44:24,748 INFO L226 Difference]: Without dead ends: 486 [2024-10-11 08:44:24,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:44:24,750 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 157 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:24,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 620 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 08:44:24,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-10-11 08:44:24,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 442. [2024-10-11 08:44:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 293 states have (on average 1.3856655290102389) internal successors, (406), 293 states have internal predecessors, (406), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-11 08:44:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 686 transitions. [2024-10-11 08:44:24,841 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 686 transitions. Word has length 222 [2024-10-11 08:44:24,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:24,843 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 686 transitions. [2024-10-11 08:44:24,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-11 08:44:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 686 transitions. [2024-10-11 08:44:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 08:44:24,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:24,848 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:24,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 08:44:24,848 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:24,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1181130214, now seen corresponding path program 1 times [2024-10-11 08:44:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:24,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846102463] [2024-10-11 08:44:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat