./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.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 e9b96b0741a733a51a6fdc98febea53c17ee0aff8e35bf5e7374f763c086dc39 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:46:40,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:46:41,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:46:41,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:46:41,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:46:41,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:46:41,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:46:41,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:46:41,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:46:41,072 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:46:41,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:46:41,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:46:41,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:46:41,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:46:41,076 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:46:41,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:46:41,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:46:41,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:46:41,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:46:41,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:46:41,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:46:41,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:46:41,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:46:41,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:46:41,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:46:41,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:46:41,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:46:41,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:46:41,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:46:41,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:46:41,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:46:41,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:46:41,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:46:41,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:46:41,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:46:41,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:46:41,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:46:41,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:46:41,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:46:41,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:46:41,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:46:41,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:46:41,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9b96b0741a733a51a6fdc98febea53c17ee0aff8e35bf5e7374f763c086dc39 [2024-11-12 01:46:41,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:46:41,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:46:41,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:46:41,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:46:41,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:46:41,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.i [2024-11-12 01:46:42,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:46:43,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:46:43,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.i [2024-11-12 01:46:43,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4eca23b/9b45b60f326141bc96cb4fc589fe17f5/FLAG670fe3a38 [2024-11-12 01:46:43,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4eca23b/9b45b60f326141bc96cb4fc589fe17f5 [2024-11-12 01:46:43,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:46:43,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:46:43,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:46:43,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:46:43,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:46:43,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:46:43" (1/1) ... [2024-11-12 01:46:43,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69dc9e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:43, skipping insertion in model container [2024-11-12 01:46:43,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:46:43" (1/1) ... [2024-11-12 01:46:43,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:46:43,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.i[916,929] [2024-11-12 01:46:43,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:46:43,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:46:43,919 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-31.i[916,929] [2024-11-12 01:46:43,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:46:44,005 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:46:44,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44 WrapperNode [2024-11-12 01:46:44,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:46:44,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:46:44,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:46:44,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:46:44,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,077 INFO L138 Inliner]: procedures = 26, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342 [2024-11-12 01:46:44,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:46:44,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:46:44,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:46:44,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:46:44,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,129 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 01:46:44,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:46:44,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:46:44,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:46:44,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:46:44,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (1/1) ... [2024-11-12 01:46:44,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:46:44,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:46:44,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 01:46:44,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 01:46:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:46:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:46:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:46:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:46:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:46:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:46:44,427 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:46:44,432 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:46:45,135 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 01:46:45,135 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:46:45,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:46:45,161 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 01:46:45,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:46:45 BoogieIcfgContainer [2024-11-12 01:46:45,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:46:45,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:46:45,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:46:45,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:46:45,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:46:43" (1/3) ... [2024-11-12 01:46:45,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e610e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:46:45, skipping insertion in model container [2024-11-12 01:46:45,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:46:44" (2/3) ... [2024-11-12 01:46:45,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e610e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:46:45, skipping insertion in model container [2024-11-12 01:46:45,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:46:45" (3/3) ... [2024-11-12 01:46:45,171 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-31.i [2024-11-12 01:46:45,186 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:46:45,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:46:45,273 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:46:45,281 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;@67a63fd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:46:45,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:46:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 85 states have internal predecessors, (117), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-12 01:46:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-12 01:46:45,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:46:45,314 INFO L218 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:46:45,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:46:45,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:46:45,325 INFO L85 PathProgramCache]: Analyzing trace with hash -571670721, now seen corresponding path program 1 times [2024-11-12 01:46:45,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:46:45,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353142235] [2024-11-12 01:46:45,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:46:45,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:46:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:46:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:46:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:46:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:46:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:46:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:46:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:46:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:46:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:46:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:46:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:46:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:46:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:46:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:46:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:46:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:46:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:46:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:46:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:46:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:46:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:46:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:46:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:46:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:46:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:46:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 01:46:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:46:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 01:46:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:46:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 01:46:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:46:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 01:46:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:46:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:46:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:46:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:46:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:46:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:46:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:46:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:46:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 01:46:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:46:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 01:46:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 01:46:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 01:46:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 01:46:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-12 01:46:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 01:46:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-12 01:46:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-12 01:46:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-12 01:46:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-12 01:46:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-12 01:46:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-12 01:46:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-12 01:46:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-12 01:46:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-12 01:46:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-12 01:46:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-12 01:46:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-12 01:46:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-12 01:46:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-12 01:46:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-12 01:46:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-12 01:46:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-11-12 01:46:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-12 01:46:46,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:46:46,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353142235] [2024-11-12 01:46:46,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353142235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:46:46,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:46:46,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:46:46,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825154651] [2024-11-12 01:46:46,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:46:46,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:46:46,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:46:46,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:46:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:46:46,382 INFO L87 Difference]: Start difference. First operand has 152 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 85 states have internal predecessors, (117), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-12 01:46:46,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:46:46,437 INFO L93 Difference]: Finished difference Result 297 states and 553 transitions. [2024-11-12 01:46:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:46:46,441 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) Word has length 390 [2024-11-12 01:46:46,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:46:46,454 INFO L225 Difference]: With dead ends: 297 [2024-11-12 01:46:46,454 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 01:46:46,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:46:46,469 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:46:46,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:46:46,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 01:46:46,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-12 01:46:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-12 01:46:46,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 239 transitions. [2024-11-12 01:46:46,558 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 239 transitions. Word has length 390 [2024-11-12 01:46:46,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:46:46,558 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 239 transitions. [2024-11-12 01:46:46,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-12 01:46:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 239 transitions. [2024-11-12 01:46:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-12 01:46:46,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:46:46,573 INFO L218 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:46:46,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:46:46,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:46:46,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:46:46,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2109388795, now seen corresponding path program 1 times [2024-11-12 01:46:46,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:46:46,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317268962] [2024-11-12 01:46:46,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:46:46,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:46:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:46:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:46:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:46:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:46:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:46:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:46:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:46:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:46:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:46:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:46:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:46,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:46:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:46:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:46:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:46:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:46:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:46:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:46:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:46:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:46:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:46:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:46:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:46:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:46:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:46:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:46:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 01:46:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 01:46:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 01:46:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 01:46:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 01:46:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 01:46:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 01:46:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 01:46:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 01:46:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-12 01:46:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 01:46:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 01:46:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 01:46:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 01:46:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 01:46:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 01:46:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 01:46:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 01:46:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 01:46:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 01:46:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 01:46:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-12 01:46:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 01:46:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-12 01:46:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-12 01:46:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-12 01:46:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-12 01:46:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-12 01:46:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-12 01:46:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-12 01:46:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-12 01:46:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-12 01:46:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-12 01:46:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-12 01:46:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-12 01:46:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-12 01:46:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-12 01:46:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-12 01:46:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-12 01:46:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-11-12 01:46:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:46:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-12 01:46:47,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:46:47,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317268962] [2024-11-12 01:46:47,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317268962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:46:47,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:46:47,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:46:47,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313703122] [2024-11-12 01:46:47,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:46:47,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:46:47,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:46:47,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:46:47,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:46:47,326 INFO L87 Difference]: Start difference. First operand 148 states and 239 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-12 01:46:47,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:46:47,431 INFO L93 Difference]: Finished difference Result 437 states and 709 transitions. [2024-11-12 01:46:47,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:46:47,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 390 [2024-11-12 01:46:47,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:46:47,438 INFO L225 Difference]: With dead ends: 437 [2024-11-12 01:46:47,439 INFO L226 Difference]: Without dead ends: 292 [2024-11-12 01:46:47,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:46:47,443 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 227 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:46:47,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 689 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:46:47,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-12 01:46:47,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 152. [2024-11-12 01:46:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-12 01:46:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 244 transitions. [2024-11-12 01:46:47,488 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 244 transitions. Word has length 390 [2024-11-12 01:46:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:46:47,494 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 244 transitions. [2024-11-12 01:46:47,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-12 01:46:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 244 transitions. [2024-11-12 01:46:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-12 01:46:47,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:46:47,503 INFO L218 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:46:47,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:46:47,504 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:46:47,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:46:47,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1300042169, now seen corresponding path program 1 times [2024-11-12 01:46:47,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:46:47,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72601505] [2024-11-12 01:46:47,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:46:47,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:46:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat