./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.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 acffbf4568185b4df73fbdfca312807b0d1acfe4982bda3fcfc32319476145af --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:08:00,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:08:00,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:08:00,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:08:00,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:08:00,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:08:00,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:08:00,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:08:00,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:08:00,119 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:08:00,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:08:00,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:08:00,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:08:00,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:08:00,120 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:08:00,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:08:00,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:08:00,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:08:00,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:08:00,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:08:00,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:08:00,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:08:00,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:08:00,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:08:00,122 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:08:00,123 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:08:00,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:08:00,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:08:00,123 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:08:00,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:08:00,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:08:00,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:08:00,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:08:00,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:08:00,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:08:00,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:08:00,125 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:08:00,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:08:00,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:08:00,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:08:00,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:08:00,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:08:00,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acffbf4568185b4df73fbdfca312807b0d1acfe4982bda3fcfc32319476145af [2024-11-16 14:08:00,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:08:00,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:08:00,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:08:00,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:08:00,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:08:00,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-11-16 14:08:01,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:08:01,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:08:01,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-11-16 14:08:01,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ce7a8408/61fe366dd4b34fcc8991e96e690b535e/FLAG537c9bf4a [2024-11-16 14:08:02,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ce7a8408/61fe366dd4b34fcc8991e96e690b535e [2024-11-16 14:08:02,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:08:02,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:08:02,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:08:02,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:08:02,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:08:02,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@846f428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02, skipping insertion in model container [2024-11-16 14:08:02,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:08:02,317 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i[919,932] [2024-11-16 14:08:02,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:08:02,405 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:08:02,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i[919,932] [2024-11-16 14:08:02,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:08:02,469 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:08:02,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02 WrapperNode [2024-11-16 14:08:02,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:08:02,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:08:02,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:08:02,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:08:02,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,521 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2024-11-16 14:08:02,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:08:02,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:08:02,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:08:02,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:08:02,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,569 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]. [2024-11-16 14:08:02,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:08:02,601 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:08:02,601 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:08:02,601 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:08:02,602 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (1/1) ... [2024-11-16 14:08:02,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:08:02,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:08:02,631 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) [2024-11-16 14:08:02,634 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 [2024-11-16 14:08:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:08:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:08:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:08:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:08:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:08:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:08:02,758 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:08:02,760 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:08:03,111 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: havoc property_#t~bitwise35#1;havoc property_#t~ite37#1;havoc property_#t~bitwise36#1;havoc property_#t~short38#1; [2024-11-16 14:08:03,146 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-16 14:08:03,146 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:08:03,168 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:08:03,169 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:08:03,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:08:03 BoogieIcfgContainer [2024-11-16 14:08:03,169 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:08:03,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:08:03,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:08:03,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:08:03,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:08:02" (1/3) ... [2024-11-16 14:08:03,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bdd8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:08:03, skipping insertion in model container [2024-11-16 14:08:03,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:08:02" (2/3) ... [2024-11-16 14:08:03,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bdd8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:08:03, skipping insertion in model container [2024-11-16 14:08:03,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:08:03" (3/3) ... [2024-11-16 14:08:03,178 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-10.i [2024-11-16 14:08:03,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:08:03,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:08:03,234 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:08:03,241 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;@1279eee3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:08:03,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:08:03,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 14:08:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-16 14:08:03,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:08:03,264 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:08:03,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:08:03,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:08:03,268 INFO L85 PathProgramCache]: Analyzing trace with hash 896884900, now seen corresponding path program 1 times [2024-11-16 14:08:03,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:08:03,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095701837] [2024-11-16 14:08:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:08:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:08:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:08:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:08:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:08:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:08:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:08:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:08:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:08:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:08:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:08:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:08:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:08:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:08:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:08:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:08:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:08:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:08:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:08:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:08:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:08:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:08:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:08:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 14:08:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:08:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 14:08:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 14:08:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:08:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 14:08:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:08:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:08:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:08:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 14:08:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:08:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 14:08:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:08:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 14:08:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 14:08:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 14:08:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 14:08:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 14:08:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 14:08:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 14:08:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 14:08:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 14:08:03,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:08:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095701837] [2024-11-16 14:08:03,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095701837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:08:03,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:08:03,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:08:03,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523747879] [2024-11-16 14:08:03,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:08:03,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:08:03,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:08:03,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:08:03,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:08:03,847 INFO L87 Difference]: Start difference. First operand has 141 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 14:08:03,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:08:03,890 INFO L93 Difference]: Finished difference Result 274 states and 475 transitions. [2024-11-16 14:08:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:08:03,893 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 264 [2024-11-16 14:08:03,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:08:03,900 INFO L225 Difference]: With dead ends: 274 [2024-11-16 14:08:03,900 INFO L226 Difference]: Without dead ends: 136 [2024-11-16 14:08:03,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:08:03,910 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:08:03,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:08:03,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-16 14:08:03,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-16 14:08:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 92 states have (on average 1.391304347826087) internal successors, (128), 92 states have internal predecessors, (128), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 14:08:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 212 transitions. [2024-11-16 14:08:03,961 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 212 transitions. Word has length 264 [2024-11-16 14:08:03,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:08:03,961 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 212 transitions. [2024-11-16 14:08:03,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 14:08:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 212 transitions. [2024-11-16 14:08:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-16 14:08:03,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:08:03,968 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:08:03,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:08:03,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:08:03,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:08:03,969 INFO L85 PathProgramCache]: Analyzing trace with hash -244319032, now seen corresponding path program 1 times [2024-11-16 14:08:03,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:08:03,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169917440] [2024-11-16 14:08:03,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:08:03,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:08:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:08:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:08:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:08:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:08:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:08:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:08:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:08:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:08:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:08:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:08:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:08:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:08:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:08:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:08:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:08:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:08:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:08:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:08:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:08:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:08:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:08:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 14:08:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:08:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 14:08:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 14:08:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:08:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 14:08:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:08:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:08:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:08:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 14:08:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:08:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 14:08:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:08:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 14:08:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 14:08:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 14:08:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 14:08:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 14:08:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 14:08:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 14:08:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 14:08:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 14:08:04,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:08:04,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169917440] [2024-11-16 14:08:04,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169917440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:08:04,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:08:04,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:08:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293998347] [2024-11-16 14:08:04,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:08:04,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:08:04,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:08:04,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:08:04,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:08:04,708 INFO L87 Difference]: Start difference. First operand 136 states and 212 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 14:08:04,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:08:04,964 INFO L93 Difference]: Finished difference Result 404 states and 632 transitions. [2024-11-16 14:08:04,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:08:04,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 264 [2024-11-16 14:08:04,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:08:04,968 INFO L225 Difference]: With dead ends: 404 [2024-11-16 14:08:04,970 INFO L226 Difference]: Without dead ends: 271 [2024-11-16 14:08:04,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:08:04,972 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 133 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:08:04,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 583 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 14:08:04,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-16 14:08:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 209. [2024-11-16 14:08:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 122 states have internal predecessors, (158), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 14:08:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 326 transitions. [2024-11-16 14:08:05,018 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 326 transitions. Word has length 264 [2024-11-16 14:08:05,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:08:05,018 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 326 transitions. [2024-11-16 14:08:05,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 14:08:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 326 transitions. [2024-11-16 14:08:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-16 14:08:05,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:08:05,025 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:08:05,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:08:05,025 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:08:05,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:08:05,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1843583916, now seen corresponding path program 1 times [2024-11-16 14:08:05,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:08:05,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966906313] [2024-11-16 14:08:05,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:08:05,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:08:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:08:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:08:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:08:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:08:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:08:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:08:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:08:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:08:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:08:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:08:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:08:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:08:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:08:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:08:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:08:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:08:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:08:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:08:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:08:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:08:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:08:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 14:08:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:08:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 14:08:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 14:08:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:08:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 14:08:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:08:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:08:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:08:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 14:08:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:08:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 14:08:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:08:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 14:08:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 14:08:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 14:08:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 14:08:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 14:08:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 14:08:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 14:08:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 14:08:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:08:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 14:08:23,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:08:23,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966906313] [2024-11-16 14:08:23,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966906313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:08:23,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:08:23,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 14:08:23,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160647792] [2024-11-16 14:08:23,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:08:23,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 14:08:23,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:08:23,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 14:08:23,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-16 14:08:23,959 INFO L87 Difference]: Start difference. First operand 209 states and 326 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 14:08:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:08:26,136 INFO L93 Difference]: Finished difference Result 698 states and 1073 transitions. [2024-11-16 14:08:26,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 14:08:26,136 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 265 [2024-11-16 14:08:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:08:26,142 INFO L225 Difference]: With dead ends: 698 [2024-11-16 14:08:26,142 INFO L226 Difference]: Without dead ends: 565 [2024-11-16 14:08:26,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-16 14:08:26,144 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1146 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:08:26,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1348 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 14:08:26,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-16 14:08:26,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 392. [2024-11-16 14:08:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 259 states have (on average 1.3513513513513513) internal successors, (350), 260 states have internal predecessors, (350), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-16 14:08:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 602 transitions. [2024-11-16 14:08:26,190 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 602 transitions. Word has length 265 [2024-11-16 14:08:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:08:26,191 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 602 transitions. [2024-11-16 14:08:26,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 14:08:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 602 transitions. [2024-11-16 14:08:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-16 14:08:26,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:08:26,194 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:08:26,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:08:26,194 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:08:26,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:08:26,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1606911509, now seen corresponding path program 1 times [2024-11-16 14:08:26,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:08:26,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911678606] [2024-11-16 14:08:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:08:26,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:08:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:09:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:09:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:09:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:09:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:09:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:09:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:09:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:09:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:09:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:09:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:09:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:09:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:09:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:09:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:09:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:09:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:09:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:09:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:09:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:09:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:09:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 14:09:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:09:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 14:09:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 14:09:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:09:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 14:09:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:09:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:09:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:09:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 14:09:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:09:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 14:09:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:09:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 14:09:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 14:09:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 14:09:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 14:09:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 14:09:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 14:09:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 14:09:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 14:09:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:09:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 14:09:11,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:09:11,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911678606] [2024-11-16 14:09:11,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911678606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:09:11,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:09:11,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 14:09:11,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324533743] [2024-11-16 14:09:11,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:09:11,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 14:09:11,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:09:11,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 14:09:11,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-16 14:09:11,836 INFO L87 Difference]: Start difference. First operand 392 states and 602 transitions. Second operand has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-16 14:09:14,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:09:14,576 INFO L93 Difference]: Finished difference Result 843 states and 1263 transitions. [2024-11-16 14:09:14,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 14:09:14,577 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 265 [2024-11-16 14:09:14,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:09:14,581 INFO L225 Difference]: With dead ends: 843 [2024-11-16 14:09:14,581 INFO L226 Difference]: Without dead ends: 710 [2024-11-16 14:09:14,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=270, Invalid=786, Unknown=0, NotChecked=0, Total=1056 [2024-11-16 14:09:14,583 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1684 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 14:09:14,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1684 Valid, 1496 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 14:09:14,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-16 14:09:14,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 316. [2024-11-16 14:09:14,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 227 states have (on average 1.4008810572687225) internal successors, (318), 227 states have internal predecessors, (318), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 14:09:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 486 transitions. [2024-11-16 14:09:14,611 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 486 transitions. Word has length 265 [2024-11-16 14:09:14,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:09:14,613 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 486 transitions. [2024-11-16 14:09:14,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-16 14:09:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 486 transitions. [2024-11-16 14:09:14,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-16 14:09:14,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:09:14,616 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:09:14,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:09:14,616 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:09:14,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:09:14,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1939152852, now seen corresponding path program 1 times [2024-11-16 14:09:14,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:09:14,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586480338] [2024-11-16 14:09:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:09:14,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:09:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat