./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-28.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 5332b36603751102648bffc8ac39fdf2a7d71975d025b0c681cc0cf5f9c23fe9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:46:26,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:46:26,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:46:26,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:46:26,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:46:26,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:46:26,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:46:26,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:46:26,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:46:26,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:46:26,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:46:26,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:46:26,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:46:26,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:46:26,113 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:46:26,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:46:26,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:46:26,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:46:26,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:46:26,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:46:26,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:46:26,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:46:26,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:46:26,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:46:26,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:46:26,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:46:26,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:46:26,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:46:26,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:46:26,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:46:26,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:46:26,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:46:26,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:46:26,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:46:26,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:46:26,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:46:26,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:46:26,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:46:26,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:46:26,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:46:26,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:46:26,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:46:26,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5332b36603751102648bffc8ac39fdf2a7d71975d025b0c681cc0cf5f9c23fe9 [2024-10-14 09:46:26,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:46:26,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:46:26,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:46:26,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:46:26,340 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:46:26,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-28.i [2024-10-14 09:46:27,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:46:27,718 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:46:27,718 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-28.i [2024-10-14 09:46:27,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8dc4cbc2/60c85f5dc4154e1eb512aa6e5541a3c6/FLAG2a29d36aa [2024-10-14 09:46:28,115 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8dc4cbc2/60c85f5dc4154e1eb512aa6e5541a3c6 [2024-10-14 09:46:28,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:46:28,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:46:28,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:46:28,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:46:28,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:46:28,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e02ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28, skipping insertion in model container [2024-10-14 09:46:28,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:46:28,262 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-28.i[919,932] [2024-10-14 09:46:28,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:46:28,330 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:46:28,339 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-28.i[919,932] [2024-10-14 09:46:28,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:46:28,396 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:46:28,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28 WrapperNode [2024-10-14 09:46:28,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:46:28,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:46:28,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:46:28,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:46:28,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,455 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 262 [2024-10-14 09:46:28,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:46:28,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:46:28,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:46:28,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:46:28,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,501 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 09:46:28,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:46:28,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:46:28,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:46:28,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:46:28,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (1/1) ... [2024-10-14 09:46:28,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:46:28,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:46:28,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 09:46:28,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 09:46:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:46:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:46:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:46:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:46:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:46:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:46:28,680 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:46:28,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:46:29,105 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-14 09:46:29,106 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:46:29,137 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:46:29,137 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:46:29,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:46:29 BoogieIcfgContainer [2024-10-14 09:46:29,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:46:29,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:46:29,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:46:29,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:46:29,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:46:28" (1/3) ... [2024-10-14 09:46:29,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff78245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:46:29, skipping insertion in model container [2024-10-14 09:46:29,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:28" (2/3) ... [2024-10-14 09:46:29,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff78245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:46:29, skipping insertion in model container [2024-10-14 09:46:29,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:46:29" (3/3) ... [2024-10-14 09:46:29,146 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-28.i [2024-10-14 09:46:29,164 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:46:29,164 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:46:29,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:46:29,227 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;@2b82c82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:46:29,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:46:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 69 states have (on average 1.463768115942029) internal successors, (101), 70 states have internal predecessors, (101), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 09:46:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:46:29,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:46:29,249 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:46:29,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:46:29,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:46:29,256 INFO L85 PathProgramCache]: Analyzing trace with hash 227506652, now seen corresponding path program 1 times [2024-10-14 09:46:29,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:46:29,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19727041] [2024-10-14 09:46:29,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:46:29,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:46:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:46:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:46:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:46:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:46:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:46:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:46:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:46:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:46:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:46:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:46:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:46:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:46:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:46:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:46:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:46:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:46:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:46:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:46:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:46:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:46:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:46:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:46:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:46:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:46:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:46:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:46:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:46:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:46:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:46:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:46:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 09:46:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:46:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 09:46:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:46:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:46:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 09:46:29,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:46:29,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19727041] [2024-10-14 09:46:29,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19727041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:46:29,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:46:29,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:46:29,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123977349] [2024-10-14 09:46:29,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:46:29,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:46:29,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:46:29,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:46:29,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:46:29,710 INFO L87 Difference]: Start difference. First operand has 107 states, 69 states have (on average 1.463768115942029) internal successors, (101), 70 states have internal predecessors, (101), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-14 09:46:29,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:46:29,755 INFO L93 Difference]: Finished difference Result 211 states and 375 transitions. [2024-10-14 09:46:29,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:46:29,757 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 222 [2024-10-14 09:46:29,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:46:29,766 INFO L225 Difference]: With dead ends: 211 [2024-10-14 09:46:29,767 INFO L226 Difference]: Without dead ends: 105 [2024-10-14 09:46:29,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:46:29,775 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:46:29,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:46:29,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-14 09:46:29,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-14 09:46:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 09:46:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 166 transitions. [2024-10-14 09:46:29,823 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 166 transitions. Word has length 222 [2024-10-14 09:46:29,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:46:29,823 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 166 transitions. [2024-10-14 09:46:29,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-10-14 09:46:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2024-10-14 09:46:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:46:29,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:46:29,830 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:46:29,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:46:29,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:46:29,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:46:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1942881634, now seen corresponding path program 1 times [2024-10-14 09:46:29,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:46:29,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204598063] [2024-10-14 09:46:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:46:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:46:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:46:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:46:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:46:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:46:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:46:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:46:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:46:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:46:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:46:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:46:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:46:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:46:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:46:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:46:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:46:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:46:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:46:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:46:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:46:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:46:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:46:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:46:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:46:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:46:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:46:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:46:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:46:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:46:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:46:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:46:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 09:46:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:46:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 09:46:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:46:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:46:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:46:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 09:46:30,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:46:30,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204598063] [2024-10-14 09:46:30,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204598063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:46:30,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:46:30,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:46:30,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635879719] [2024-10-14 09:46:30,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:46:30,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:46:30,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:46:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:46:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:46:30,281 INFO L87 Difference]: Start difference. First operand 105 states and 166 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:46:30,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:46:30,329 INFO L93 Difference]: Finished difference Result 210 states and 333 transitions. [2024-10-14 09:46:30,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:46:30,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-14 09:46:30,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:46:30,334 INFO L225 Difference]: With dead ends: 210 [2024-10-14 09:46:30,335 INFO L226 Difference]: Without dead ends: 106 [2024-10-14 09:46:30,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:46:30,337 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:46:30,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 318 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:46:30,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-14 09:46:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-14 09:46:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 69 states have internal predecessors, (97), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 09:46:30,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 167 transitions. [2024-10-14 09:46:30,355 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 167 transitions. Word has length 222 [2024-10-14 09:46:30,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:46:30,357 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 167 transitions. [2024-10-14 09:46:30,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:46:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2024-10-14 09:46:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:46:30,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:46:30,364 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:46:30,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:46:30,364 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:46:30,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:46:30,365 INFO L85 PathProgramCache]: Analyzing trace with hash -763737760, now seen corresponding path program 1 times [2024-10-14 09:46:30,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:46:30,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021963035] [2024-10-14 09:46:30,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:46:30,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:46:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:47:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:47:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:47:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:47:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:47:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:47:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:47:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:47:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:47:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:47:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:47:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:47:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:47:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:47:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:47:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:47:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:47:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:47:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:47:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:47:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:47:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:47:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:47:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:47:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:47:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:47:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:47:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:47:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:47:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:47:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 09:47:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:47:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 09:47:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:47:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:47:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:07,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 09:47:07,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:47:07,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021963035] [2024-10-14 09:47:07,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021963035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:47:07,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:47:07,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 09:47:07,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670155406] [2024-10-14 09:47:07,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:47:07,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 09:47:07,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:47:07,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 09:47:07,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-14 09:47:07,218 INFO L87 Difference]: Start difference. First operand 106 states and 167 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:09,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:47:09,658 INFO L93 Difference]: Finished difference Result 432 states and 671 transitions. [2024-10-14 09:47:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 09:47:09,659 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-14 09:47:09,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:47:09,663 INFO L225 Difference]: With dead ends: 432 [2024-10-14 09:47:09,665 INFO L226 Difference]: Without dead ends: 327 [2024-10-14 09:47:09,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-10-14 09:47:09,667 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 678 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:47:09,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 872 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 09:47:09,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-10-14 09:47:09,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 230. [2024-10-14 09:47:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 157 states have (on average 1.4331210191082802) internal successors, (225), 157 states have internal predecessors, (225), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 09:47:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 365 transitions. [2024-10-14 09:47:09,702 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 365 transitions. Word has length 222 [2024-10-14 09:47:09,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:47:09,703 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 365 transitions. [2024-10-14 09:47:09,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 365 transitions. [2024-10-14 09:47:09,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:47:09,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:47:09,707 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:47:09,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:47:09,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:47:09,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:47:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1156764770, now seen corresponding path program 1 times [2024-10-14 09:47:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:47:09,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952495035] [2024-10-14 09:47:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:47:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:47:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:47:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:47:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:47:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:47:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:47:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:47:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:47:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:47:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:47:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:47:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:47:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:47:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:47:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:47:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:47:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:47:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:47:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:47:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:47:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:47:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:47:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:47:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:47:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:47:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:47:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:47:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:47:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:47:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:47:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:47:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 09:47:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:47:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 09:47:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:47:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:47:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 09:47:09,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:47:09,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952495035] [2024-10-14 09:47:09,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952495035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:47:09,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:47:09,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:47:09,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483020955] [2024-10-14 09:47:09,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:47:09,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:47:09,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:47:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:47:09,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:47:09,929 INFO L87 Difference]: Start difference. First operand 230 states and 365 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:10,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:47:10,220 INFO L93 Difference]: Finished difference Result 654 states and 1040 transitions. [2024-10-14 09:47:10,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 09:47:10,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-14 09:47:10,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:47:10,224 INFO L225 Difference]: With dead ends: 654 [2024-10-14 09:47:10,224 INFO L226 Difference]: Without dead ends: 425 [2024-10-14 09:47:10,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 09:47:10,226 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 505 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:47:10,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 641 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 09:47:10,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-14 09:47:10,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 238. [2024-10-14 09:47:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 165 states have internal predecessors, (236), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 09:47:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 376 transitions. [2024-10-14 09:47:10,256 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 376 transitions. Word has length 222 [2024-10-14 09:47:10,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:47:10,257 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 376 transitions. [2024-10-14 09:47:10,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:10,257 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 376 transitions. [2024-10-14 09:47:10,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:47:10,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:47:10,259 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:47:10,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:47:10,259 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:47:10,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:47:10,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2043601438, now seen corresponding path program 1 times [2024-10-14 09:47:10,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:47:10,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88354042] [2024-10-14 09:47:10,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:47:10,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:47:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:47:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:47:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:47:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:47:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:47:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:47:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:47:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:47:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:47:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:47:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:47:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:47:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:47:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:47:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:47:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:47:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:47:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:47:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:47:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:47:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:47:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:47:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:47:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:47:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:47:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:47:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:47:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:47:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:47:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:47:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 09:47:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:47:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 09:47:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:47:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:47:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 09:47:31,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:47:31,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88354042] [2024-10-14 09:47:31,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88354042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:47:31,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:47:31,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 09:47:31,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858234878] [2024-10-14 09:47:31,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:47:31,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 09:47:31,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:47:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 09:47:31,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-14 09:47:31,741 INFO L87 Difference]: Start difference. First operand 238 states and 376 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:34,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:47:34,768 INFO L93 Difference]: Finished difference Result 580 states and 899 transitions. [2024-10-14 09:47:34,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 09:47:34,770 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-14 09:47:34,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:47:34,773 INFO L225 Difference]: With dead ends: 580 [2024-10-14 09:47:34,773 INFO L226 Difference]: Without dead ends: 343 [2024-10-14 09:47:34,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-10-14 09:47:34,774 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 319 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 09:47:34,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1050 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 09:47:34,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-14 09:47:34,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 238. [2024-10-14 09:47:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 165 states have internal predecessors, (236), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 09:47:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 376 transitions. [2024-10-14 09:47:34,791 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 376 transitions. Word has length 222 [2024-10-14 09:47:34,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:47:34,792 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 376 transitions. [2024-10-14 09:47:34,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 376 transitions. [2024-10-14 09:47:34,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:47:34,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:47:34,794 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:47:34,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 09:47:34,794 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:47:34,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:47:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1581386210, now seen corresponding path program 1 times [2024-10-14 09:47:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:47:34,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922718232] [2024-10-14 09:47:34,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:47:34,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:47:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:47:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:47:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:47:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:47:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:47:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:47:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:47:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:47:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:47:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:47:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:47:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:47:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:47:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:47:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:47:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:47:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:47:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:47:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:47:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:47:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:47:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 09:47:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 09:47:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 09:47:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 09:47:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 09:47:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:34,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 09:47:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:47:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:47:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 09:47:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 09:47:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 09:47:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 09:47:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 09:47:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:47:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:47:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-10-14 09:47:35,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:47:35,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922718232] [2024-10-14 09:47:35,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922718232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:47:35,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:47:35,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:47:35,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756887084] [2024-10-14 09:47:35,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:47:35,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:47:35,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:47:35,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:47:35,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:47:35,024 INFO L87 Difference]: Start difference. First operand 238 states and 376 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:35,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:47:35,226 INFO L93 Difference]: Finished difference Result 743 states and 1167 transitions. [2024-10-14 09:47:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:47:35,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222 [2024-10-14 09:47:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:47:35,230 INFO L225 Difference]: With dead ends: 743 [2024-10-14 09:47:35,230 INFO L226 Difference]: Without dead ends: 506 [2024-10-14 09:47:35,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:47:35,232 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 162 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:47:35,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 628 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 09:47:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-10-14 09:47:35,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 450. [2024-10-14 09:47:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 305 states have (on average 1.4098360655737705) internal successors, (430), 305 states have internal predecessors, (430), 140 states have call successors, (140), 4 states have call predecessors, (140), 4 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-14 09:47:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 710 transitions. [2024-10-14 09:47:35,274 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 710 transitions. Word has length 222 [2024-10-14 09:47:35,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:47:35,276 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 710 transitions. [2024-10-14 09:47:35,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-10-14 09:47:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 710 transitions. [2024-10-14 09:47:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-14 09:47:35,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:47:35,278 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:47:35,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 09:47:35,279 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:47:35,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:47:35,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2078462478, now seen corresponding path program 1 times [2024-10-14 09:47:35,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:47:35,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061952203] [2024-10-14 09:47:35,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:47:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:47:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat