./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-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-58.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17c42edf29f2ce8d5688e507f6930f457424ad6f3eab336e0d6c93dcc2f7db73 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:55:16,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:55:17,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:55:17,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:55:17,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:55:17,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:55:17,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:55:17,061 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:55:17,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:55:17,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:55:17,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:55:17,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:55:17,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:55:17,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:55:17,068 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:55:17,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:55:17,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:55:17,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:55:17,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:55:17,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:55:17,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:55:17,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:55:17,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:55:17,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:55:17,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:55:17,074 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:55:17,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:55:17,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:55:17,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:55:17,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:55:17,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:55:17,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:55:17,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:55:17,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:55:17,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:55:17,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:55:17,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:55:17,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:55:17,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:55:17,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:55:17,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:55:17,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:55:17,095 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17c42edf29f2ce8d5688e507f6930f457424ad6f3eab336e0d6c93dcc2f7db73 [2024-10-14 08:55:17,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:55:17,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:55:17,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:55:17,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:55:17,427 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:55:17,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-58.i [2024-10-14 08:55:19,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:55:19,278 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:55:19,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-58.i [2024-10-14 08:55:19,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e865a3dae/2c9ec74c7b86447ebd59ccf254a40e60/FLAG326d728d1 [2024-10-14 08:55:19,315 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e865a3dae/2c9ec74c7b86447ebd59ccf254a40e60 [2024-10-14 08:55:19,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:55:19,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:55:19,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:55:19,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:55:19,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:55:19,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5dab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19, skipping insertion in model container [2024-10-14 08:55:19,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:55:19,532 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-58.i[915,928] [2024-10-14 08:55:19,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:55:19,638 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:55:19,652 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-58.i[915,928] [2024-10-14 08:55:19,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:55:19,746 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:55:19,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19 WrapperNode [2024-10-14 08:55:19,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:55:19,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:55:19,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:55:19,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:55:19,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,831 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2024-10-14 08:55:19,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:55:19,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:55:19,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:55:19,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:55:19,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,885 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 08:55:19,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:55:19,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:55:19,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:55:19,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:55:19,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (1/1) ... [2024-10-14 08:55:19,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:55:19,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:55:19,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 08:55:19,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 08:55:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:55:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:55:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:55:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:55:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:55:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:55:20,120 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:55:20,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:55:20,594 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 08:55:20,594 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:55:20,637 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:55:20,637 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:55:20,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:55:20 BoogieIcfgContainer [2024-10-14 08:55:20,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:55:20,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:55:20,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:55:20,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:55:20,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:55:19" (1/3) ... [2024-10-14 08:55:20,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3778380e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:55:20, skipping insertion in model container [2024-10-14 08:55:20,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:19" (2/3) ... [2024-10-14 08:55:20,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3778380e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:55:20, skipping insertion in model container [2024-10-14 08:55:20,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:55:20" (3/3) ... [2024-10-14 08:55:20,647 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-58.i [2024-10-14 08:55:20,666 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:55:20,666 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:55:20,736 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:55:20,743 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;@21e9629e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:55:20,743 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:55:20,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-14 08:55:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 08:55:20,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:55:20,805 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:55:20,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:55:20,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:55:20,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1845517752, now seen corresponding path program 1 times [2024-10-14 08:55:20,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:55:20,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503049612] [2024-10-14 08:55:20,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:55:20,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:55:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:55:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:55:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:55:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:55:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:55:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:55:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:55:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:55:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:55:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:55:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:55:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:55:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:55:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:55:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 08:55:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:55:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 08:55:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:55:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 08:55:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:55:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 08:55:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:55:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 08:55:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:55:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:55:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:55:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:55:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:55:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:55:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:55:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 08:55:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:55:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 08:55:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 08:55:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 08:55:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 08:55:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 08:55:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 08:55:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 08:55:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 08:55:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 08:55:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 08:55:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 08:55:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-14 08:55:21,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:55:21,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503049612] [2024-10-14 08:55:21,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503049612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:55:21,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:55:21,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:55:21,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71715724] [2024-10-14 08:55:21,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:55:21,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:55:21,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:55:21,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:55:21,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:55:21,641 INFO L87 Difference]: Start difference. First operand has 112 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 08:55:21,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:55:21,701 INFO L93 Difference]: Finished difference Result 221 states and 409 transitions. [2024-10-14 08:55:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:55:21,709 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 260 [2024-10-14 08:55:21,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:55:21,719 INFO L225 Difference]: With dead ends: 221 [2024-10-14 08:55:21,719 INFO L226 Difference]: Without dead ends: 110 [2024-10-14 08:55:21,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:55:21,731 INFO L432 NwaCegarLoop]: 176 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, 176 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:55:21,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:55:21,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-14 08:55:21,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-14 08:55:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-14 08:55:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 179 transitions. [2024-10-14 08:55:21,798 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 179 transitions. Word has length 260 [2024-10-14 08:55:21,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:55:21,799 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 179 transitions. [2024-10-14 08:55:21,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-14 08:55:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 179 transitions. [2024-10-14 08:55:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 08:55:21,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:55:21,806 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:55:21,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:55:21,807 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:55:21,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:55:21,808 INFO L85 PathProgramCache]: Analyzing trace with hash -550722446, now seen corresponding path program 1 times [2024-10-14 08:55:21,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:55:21,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738266630] [2024-10-14 08:55:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:55:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:55:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:55:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:55:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 08:55:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:55:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 08:55:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:55:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 08:55:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:55:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 08:55:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:55:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 08:55:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:55:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 08:55:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:55:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 08:55:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:55:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 08:55:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:55:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 08:55:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:55:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 08:55:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:55:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 08:55:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:55:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:55:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:55:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:55:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:55:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:55:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:55:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 08:55:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:55:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 08:55:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 08:55:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 08:55:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 08:55:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 08:55:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 08:55:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 08:55:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 08:55:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 08:55:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 08:55:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 08:55:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:55:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-14 08:55:59,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:55:59,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738266630] [2024-10-14 08:55:59,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738266630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:55:59,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:55:59,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 08:55:59,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086012006] [2024-10-14 08:55:59,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:55:59,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 08:55:59,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:55:59,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 08:55:59,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-14 08:55:59,661 INFO L87 Difference]: Start difference. First operand 110 states and 179 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-14 08:56:04,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:56:04,909 INFO L93 Difference]: Finished difference Result 490 states and 757 transitions. [2024-10-14 08:56:04,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-14 08:56:04,910 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 260 [2024-10-14 08:56:04,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:56:04,916 INFO L225 Difference]: With dead ends: 490 [2024-10-14 08:56:04,916 INFO L226 Difference]: Without dead ends: 381 [2024-10-14 08:56:04,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=327, Invalid=795, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 08:56:04,921 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 436 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 08:56:04,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 921 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 08:56:04,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-14 08:56:04,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 245. [2024-10-14 08:56:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 152 states have (on average 1.4210526315789473) internal successors, (216), 153 states have internal predecessors, (216), 89 states have call successors, (89), 3 states have call predecessors, (89), 3 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-14 08:56:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 394 transitions. [2024-10-14 08:56:04,987 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 394 transitions. Word has length 260 [2024-10-14 08:56:04,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:56:04,988 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 394 transitions. [2024-10-14 08:56:04,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-14 08:56:04,988 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 394 transitions. [2024-10-14 08:56:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 08:56:04,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:56:04,992 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:56:04,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:56:04,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:56:04,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:56:04,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1224284916, now seen corresponding path program 1 times [2024-10-14 08:56:04,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:56:04,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846579366] [2024-10-14 08:56:04,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:56:04,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:56:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat