./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-ps-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:21:49,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:21:50,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:21:50,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:21:50,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:21:50,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:21:50,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:21:50,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:21:50,089 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:21:50,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:21:50,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:21:50,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:21:50,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:21:50,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:21:50,095 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:21:50,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:21:50,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:21:50,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:21:50,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:21:50,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:21:50,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:21:50,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:21:50,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:21:50,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:21:50,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:21:50,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:21:50,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:21:50,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:21:50,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:21:50,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:21:50,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:21:50,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:21:50,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:21:50,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:21:50,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:21:50,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:21:50,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:21:50,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:21:50,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:21:50,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:21:50,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:21:50,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:21:50,102 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 [2024-10-11 10:21:50,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:21:50,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:21:50,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:21:50,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:21:50,355 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:21:50,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-11 10:21:51,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:21:51,818 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:21:51,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-11 10:21:51,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/279dad2eb/7cf2f72058a543ef8b724b48259f585f/FLAG54c18e107 [2024-10-11 10:21:52,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/279dad2eb/7cf2f72058a543ef8b724b48259f585f [2024-10-11 10:21:52,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:21:52,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:21:52,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:21:52,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:21:52,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:21:52,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561aa1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52, skipping insertion in model container [2024-10-11 10:21:52,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:21:52,371 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-ps-co_file-3.i[918,931] [2024-10-11 10:21:52,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:21:52,445 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:21:52,499 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-ps-co_file-3.i[918,931] [2024-10-11 10:21:52,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:21:52,614 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:21:52,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52 WrapperNode [2024-10-11 10:21:52,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:21:52,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:21:52,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:21:52,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:21:52,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,668 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-11 10:21:52,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:21:52,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:21:52,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:21:52,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:21:52,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,682 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,697 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:21:52,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:21:52,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:21:52,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:21:52,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:21:52,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (1/1) ... [2024-10-11 10:21:52,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:21:52,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:21:52,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:21:52,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:21:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:21:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:21:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:21:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:21:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:21:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:21:52,918 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:21:52,920 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:21:53,339 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-11 10:21:53,340 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:21:53,393 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:21:53,394 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:21:53,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:21:53 BoogieIcfgContainer [2024-10-11 10:21:53,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:21:53,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:21:53,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:21:53,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:21:53,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:21:52" (1/3) ... [2024-10-11 10:21:53,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d78ce8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:21:53, skipping insertion in model container [2024-10-11 10:21:53,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:21:52" (2/3) ... [2024-10-11 10:21:53,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d78ce8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:21:53, skipping insertion in model container [2024-10-11 10:21:53,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:21:53" (3/3) ... [2024-10-11 10:21:53,402 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-11 10:21:53,416 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:21:53,416 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:21:53,473 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:21:53,479 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;@142ddfa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:21:53,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:21:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-11 10:21:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-11 10:21:53,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:53,502 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:53,503 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:53,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:53,508 INFO L85 PathProgramCache]: Analyzing trace with hash 734953733, now seen corresponding path program 1 times [2024-10-11 10:21:53,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:53,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176562251] [2024-10-11 10:21:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:53,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:54,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:54,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176562251] [2024-10-11 10:21:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176562251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:54,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:54,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:21:54,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222685613] [2024-10-11 10:21:54,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:54,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:21:54,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:21:54,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:21:54,135 INFO L87 Difference]: Start difference. First operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-11 10:21:54,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:54,195 INFO L93 Difference]: Finished difference Result 231 states and 416 transitions. [2024-10-11 10:21:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:21:54,200 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2024-10-11 10:21:54,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:54,208 INFO L225 Difference]: With dead ends: 231 [2024-10-11 10:21:54,208 INFO L226 Difference]: Without dead ends: 115 [2024-10-11 10:21:54,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:21:54,217 INFO L432 NwaCegarLoop]: 183 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, 183 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:54,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:21:54,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-11 10:21:54,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-11 10:21:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 79 states have internal predecessors, (118), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-11 10:21:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 186 transitions. [2024-10-11 10:21:54,279 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 186 transitions. Word has length 217 [2024-10-11 10:21:54,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:21:54,280 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 186 transitions. [2024-10-11 10:21:54,280 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-11 10:21:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2024-10-11 10:21:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-11 10:21:54,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:54,285 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:54,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:21:54,285 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:54,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:54,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1869334339, now seen corresponding path program 1 times [2024-10-11 10:21:54,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:54,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484445312] [2024-10-11 10:21:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:54,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:54,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:54,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484445312] [2024-10-11 10:21:54,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484445312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:54,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:54,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:21:54,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931922263] [2024-10-11 10:21:54,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:54,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:21:54,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:54,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:21:54,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:21:54,902 INFO L87 Difference]: Start difference. First operand 115 states and 186 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:55,152 INFO L93 Difference]: Finished difference Result 344 states and 558 transitions. [2024-10-11 10:21:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:21:55,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-10-11 10:21:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:55,158 INFO L225 Difference]: With dead ends: 344 [2024-10-11 10:21:55,160 INFO L226 Difference]: Without dead ends: 230 [2024-10-11 10:21:55,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:21:55,165 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 126 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:55,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 458 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:21:55,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-11 10:21:55,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-10-11 10:21:55,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 156 states have (on average 1.4935897435897436) internal successors, (233), 156 states have internal predecessors, (233), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-11 10:21:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 369 transitions. [2024-10-11 10:21:55,212 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 369 transitions. Word has length 217 [2024-10-11 10:21:55,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:21:55,214 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 369 transitions. [2024-10-11 10:21:55,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:55,214 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 369 transitions. [2024-10-11 10:21:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-10-11 10:21:55,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:55,223 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:55,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:21:55,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:55,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:55,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1948255617, now seen corresponding path program 1 times [2024-10-11 10:21:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:55,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132046090] [2024-10-11 10:21:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:55,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:55,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132046090] [2024-10-11 10:21:55,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132046090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:55,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:55,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:21:55,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037583436] [2024-10-11 10:21:55,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:55,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:21:55,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:55,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:21:55,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:55,702 INFO L87 Difference]: Start difference. First operand 227 states and 369 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:55,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:55,807 INFO L93 Difference]: Finished difference Result 679 states and 1105 transitions. [2024-10-11 10:21:55,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:21:55,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-10-11 10:21:55,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:55,816 INFO L225 Difference]: With dead ends: 679 [2024-10-11 10:21:55,816 INFO L226 Difference]: Without dead ends: 453 [2024-10-11 10:21:55,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:55,819 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 107 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:55,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 334 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:21:55,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-10-11 10:21:55,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 451. [2024-10-11 10:21:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 310 states have (on average 1.4709677419354839) internal successors, (456), 310 states have internal predecessors, (456), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-11 10:21:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 728 transitions. [2024-10-11 10:21:55,918 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 728 transitions. Word has length 218 [2024-10-11 10:21:55,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:21:55,919 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 728 transitions. [2024-10-11 10:21:55,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 728 transitions. [2024-10-11 10:21:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-11 10:21:55,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:55,923 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:55,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:21:55,923 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:55,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:55,924 INFO L85 PathProgramCache]: Analyzing trace with hash -555788473, now seen corresponding path program 1 times [2024-10-11 10:21:55,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:55,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451976299] [2024-10-11 10:21:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:55,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:56,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:56,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451976299] [2024-10-11 10:21:56,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451976299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:56,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:56,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:21:56,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546704708] [2024-10-11 10:21:56,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:56,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:21:56,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:56,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:21:56,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:56,114 INFO L87 Difference]: Start difference. First operand 451 states and 728 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:56,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:56,276 INFO L93 Difference]: Finished difference Result 1323 states and 2144 transitions. [2024-10-11 10:21:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:21:56,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-11 10:21:56,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:56,282 INFO L225 Difference]: With dead ends: 1323 [2024-10-11 10:21:56,282 INFO L226 Difference]: Without dead ends: 873 [2024-10-11 10:21:56,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:56,284 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 167 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:56,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 455 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:21:56,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-10-11 10:21:56,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 871. [2024-10-11 10:21:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 590 states have (on average 1.4508474576271186) internal successors, (856), 590 states have internal predecessors, (856), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-11 10:21:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1400 transitions. [2024-10-11 10:21:56,350 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1400 transitions. Word has length 219 [2024-10-11 10:21:56,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:21:56,351 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1400 transitions. [2024-10-11 10:21:56,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1400 transitions. [2024-10-11 10:21:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-11 10:21:56,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:56,354 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:56,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:21:56,355 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:56,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:56,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1420468563, now seen corresponding path program 1 times [2024-10-11 10:21:56,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:56,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155211361] [2024-10-11 10:21:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:56,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:56,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155211361] [2024-10-11 10:21:56,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155211361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:56,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:56,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:21:56,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504263590] [2024-10-11 10:21:56,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:56,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:21:56,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:56,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:21:56,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:56,482 INFO L87 Difference]: Start difference. First operand 871 states and 1400 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:56,554 INFO L93 Difference]: Finished difference Result 1959 states and 3128 transitions. [2024-10-11 10:21:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:21:56,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-11 10:21:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:56,561 INFO L225 Difference]: With dead ends: 1959 [2024-10-11 10:21:56,562 INFO L226 Difference]: Without dead ends: 1089 [2024-10-11 10:21:56,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:56,567 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 39 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:56,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 382 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:21:56,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-10-11 10:21:56,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 943. [2024-10-11 10:21:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 662 states have (on average 1.4501510574018126) internal successors, (960), 662 states have internal predecessors, (960), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-11 10:21:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1504 transitions. [2024-10-11 10:21:56,668 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1504 transitions. Word has length 219 [2024-10-11 10:21:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:21:56,670 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1504 transitions. [2024-10-11 10:21:56,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1504 transitions. [2024-10-11 10:21:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-11 10:21:56,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:56,672 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:56,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:21:56,672 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:56,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:56,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1215797149, now seen corresponding path program 1 times [2024-10-11 10:21:56,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:56,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048254447] [2024-10-11 10:21:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:56,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048254447] [2024-10-11 10:21:56,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048254447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:56,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:56,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:21:56,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130430678] [2024-10-11 10:21:56,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:56,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:21:56,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:56,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:21:56,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:21:56,927 INFO L87 Difference]: Start difference. First operand 943 states and 1504 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:57,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:57,349 INFO L93 Difference]: Finished difference Result 3445 states and 5515 transitions. [2024-10-11 10:21:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:21:57,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-11 10:21:57,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:57,366 INFO L225 Difference]: With dead ends: 3445 [2024-10-11 10:21:57,366 INFO L226 Difference]: Without dead ends: 2413 [2024-10-11 10:21:57,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:21:57,373 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 380 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:57,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 506 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:21:57,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2024-10-11 10:21:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2409. [2024-10-11 10:21:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 1708 states have (on average 1.4508196721311475) internal successors, (2478), 1708 states have internal predecessors, (2478), 680 states have call successors, (680), 20 states have call predecessors, (680), 20 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-10-11 10:21:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3838 transitions. [2024-10-11 10:21:57,567 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3838 transitions. Word has length 220 [2024-10-11 10:21:57,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:21:57,567 INFO L471 AbstractCegarLoop]: Abstraction has 2409 states and 3838 transitions. [2024-10-11 10:21:57,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3838 transitions. [2024-10-11 10:21:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-11 10:21:57,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:57,571 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:57,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 10:21:57,571 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:57,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:57,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2121134321, now seen corresponding path program 1 times [2024-10-11 10:21:57,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:57,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16095184] [2024-10-11 10:21:57,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:57,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:57,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:57,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16095184] [2024-10-11 10:21:57,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16095184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:57,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:57,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:21:57,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713952080] [2024-10-11 10:21:57,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:57,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:21:57,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:57,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:21:57,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:57,883 INFO L87 Difference]: Start difference. First operand 2409 states and 3838 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:58,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:58,243 INFO L93 Difference]: Finished difference Result 5743 states and 9162 transitions. [2024-10-11 10:21:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:21:58,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-11 10:21:58,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:58,270 INFO L225 Difference]: With dead ends: 5743 [2024-10-11 10:21:58,271 INFO L226 Difference]: Without dead ends: 4275 [2024-10-11 10:21:58,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:58,277 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 128 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:58,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 354 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:21:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2024-10-11 10:21:58,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 4273. [2024-10-11 10:21:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4273 states, 3012 states have (on average 1.4428950863213812) internal successors, (4346), 3012 states have internal predecessors, (4346), 1224 states have call successors, (1224), 36 states have call predecessors, (1224), 36 states have return successors, (1224), 1224 states have call predecessors, (1224), 1224 states have call successors, (1224) [2024-10-11 10:21:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 6794 transitions. [2024-10-11 10:21:58,671 INFO L78 Accepts]: Start accepts. Automaton has 4273 states and 6794 transitions. Word has length 220 [2024-10-11 10:21:58,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:21:58,672 INFO L471 AbstractCegarLoop]: Abstraction has 4273 states and 6794 transitions. [2024-10-11 10:21:58,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 6794 transitions. [2024-10-11 10:21:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-11 10:21:58,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:21:58,676 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:21:58,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 10:21:58,676 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:21:58,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:21:58,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1522895250, now seen corresponding path program 1 times [2024-10-11 10:21:58,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:21:58,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442999741] [2024-10-11 10:21:58,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:21:58,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:21:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:21:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:21:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:21:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:21:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:21:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:21:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:21:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:21:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:21:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:21:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:21:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:21:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:21:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:21:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:21:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:21:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:21:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:21:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:21:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:21:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:21:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:21:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:21:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:21:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:21:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:21:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:21:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:21:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:58,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:21:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:21:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:59,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:21:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:59,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:21:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:59,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:21:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:59,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:21:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:21:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:21:59,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:21:59,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442999741] [2024-10-11 10:21:59,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442999741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:21:59,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:21:59,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:21:59,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136435501] [2024-10-11 10:21:59,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:21:59,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:21:59,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:21:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:21:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:59,025 INFO L87 Difference]: Start difference. First operand 4273 states and 6794 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:21:59,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:21:59,598 INFO L93 Difference]: Finished difference Result 12817 states and 20380 transitions. [2024-10-11 10:21:59,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:21:59,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-10-11 10:21:59,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:21:59,646 INFO L225 Difference]: With dead ends: 12817 [2024-10-11 10:21:59,647 INFO L226 Difference]: Without dead ends: 8545 [2024-10-11 10:21:59,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:21:59,663 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 127 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:21:59,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 340 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:21:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8545 states. [2024-10-11 10:22:00,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8545 to 8507. [2024-10-11 10:22:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8507 states, 5986 states have (on average 1.4396926161042432) internal successors, (8618), 5986 states have internal predecessors, (8618), 2448 states have call successors, (2448), 72 states have call predecessors, (2448), 72 states have return successors, (2448), 2448 states have call predecessors, (2448), 2448 states have call successors, (2448) [2024-10-11 10:22:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8507 states to 8507 states and 13514 transitions. [2024-10-11 10:22:00,496 INFO L78 Accepts]: Start accepts. Automaton has 8507 states and 13514 transitions. Word has length 221 [2024-10-11 10:22:00,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:00,497 INFO L471 AbstractCegarLoop]: Abstraction has 8507 states and 13514 transitions. [2024-10-11 10:22:00,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 8507 states and 13514 transitions. [2024-10-11 10:22:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-11 10:22:00,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:00,499 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:00,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 10:22:00,500 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:00,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:00,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1796696424, now seen corresponding path program 1 times [2024-10-11 10:22:00,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:00,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622371441] [2024-10-11 10:22:00,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:22:00,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:00,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622371441] [2024-10-11 10:22:00,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622371441] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:22:00,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:22:00,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:22:00,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836113089] [2024-10-11 10:22:00,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:22:00,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:22:00,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:00,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:22:00,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:22:00,676 INFO L87 Difference]: Start difference. First operand 8507 states and 13514 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:01,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:01,719 INFO L93 Difference]: Finished difference Result 21363 states and 33992 transitions. [2024-10-11 10:22:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:22:01,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-10-11 10:22:01,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:01,799 INFO L225 Difference]: With dead ends: 21363 [2024-10-11 10:22:01,800 INFO L226 Difference]: Without dead ends: 12857 [2024-10-11 10:22:01,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:22:01,828 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 121 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:01,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 357 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:22:01,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12857 states. [2024-10-11 10:22:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12857 to 12855. [2024-10-11 10:22:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 9074 states have (on average 1.4324443464844612) internal successors, (12998), 9074 states have internal predecessors, (12998), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-10-11 10:22:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20342 transitions. [2024-10-11 10:22:02,747 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20342 transitions. Word has length 222 [2024-10-11 10:22:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:02,748 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 20342 transitions. [2024-10-11 10:22:02,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20342 transitions. [2024-10-11 10:22:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-11 10:22:02,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:02,751 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:02,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 10:22:02,751 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:02,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:02,751 INFO L85 PathProgramCache]: Analyzing trace with hash 526780161, now seen corresponding path program 1 times [2024-10-11 10:22:02,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:02,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757318329] [2024-10-11 10:22:02,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:02,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:22:02,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:02,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757318329] [2024-10-11 10:22:02,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757318329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:22:02,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:22:02,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:22:02,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642443791] [2024-10-11 10:22:02,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:22:02,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:22:02,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:02,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:22:02,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:22:02,918 INFO L87 Difference]: Start difference. First operand 12855 states and 20342 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:03,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:03,762 INFO L93 Difference]: Finished difference Result 25765 states and 40792 transitions. [2024-10-11 10:22:03,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:22:03,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-10-11 10:22:03,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:03,833 INFO L225 Difference]: With dead ends: 25765 [2024-10-11 10:22:03,833 INFO L226 Difference]: Without dead ends: 12911 [2024-10-11 10:22:03,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:22:03,874 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 121 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:03,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 459 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:22:03,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12911 states. [2024-10-11 10:22:04,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12911 to 12855. [2024-10-11 10:22:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 9074 states have (on average 1.428036147233855) internal successors, (12958), 9074 states have internal predecessors, (12958), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-10-11 10:22:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20302 transitions. [2024-10-11 10:22:05,006 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20302 transitions. Word has length 223 [2024-10-11 10:22:05,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:05,007 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 20302 transitions. [2024-10-11 10:22:05,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20302 transitions. [2024-10-11 10:22:05,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 10:22:05,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:05,010 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:05,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 10:22:05,010 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:05,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:05,011 INFO L85 PathProgramCache]: Analyzing trace with hash 419488117, now seen corresponding path program 1 times [2024-10-11 10:22:05,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:05,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535827510] [2024-10-11 10:22:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:05,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:22:05,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:05,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535827510] [2024-10-11 10:22:05,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535827510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:22:05,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:22:05,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:22:05,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427293930] [2024-10-11 10:22:05,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:22:05,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:22:05,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:05,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:22:05,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:22:05,345 INFO L87 Difference]: Start difference. First operand 12855 states and 20302 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:07,584 INFO L93 Difference]: Finished difference Result 41655 states and 65917 transitions. [2024-10-11 10:22:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:22:07,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-11 10:22:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:07,698 INFO L225 Difference]: With dead ends: 41655 [2024-10-11 10:22:07,698 INFO L226 Difference]: Without dead ends: 28801 [2024-10-11 10:22:07,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 10:22:07,732 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 521 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:07,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 684 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 10:22:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28801 states. [2024-10-11 10:22:09,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28801 to 16583. [2024-10-11 10:22:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16583 states, 12016 states have (on average 1.4450732356857523) internal successors, (17364), 12074 states have internal predecessors, (17364), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-10-11 10:22:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16583 states to 16583 states and 26192 transitions. [2024-10-11 10:22:09,575 INFO L78 Accepts]: Start accepts. Automaton has 16583 states and 26192 transitions. Word has length 224 [2024-10-11 10:22:09,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:09,575 INFO L471 AbstractCegarLoop]: Abstraction has 16583 states and 26192 transitions. [2024-10-11 10:22:09,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 16583 states and 26192 transitions. [2024-10-11 10:22:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 10:22:09,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:09,579 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:09,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 10:22:09,579 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:09,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:09,580 INFO L85 PathProgramCache]: Analyzing trace with hash 285474611, now seen corresponding path program 1 times [2024-10-11 10:22:09,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:09,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150229890] [2024-10-11 10:22:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:22:09,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:09,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150229890] [2024-10-11 10:22:09,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150229890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:22:09,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:22:09,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:22:09,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365909323] [2024-10-11 10:22:09,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:22:09,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:22:09,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:09,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:22:09,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:22:09,863 INFO L87 Difference]: Start difference. First operand 16583 states and 26192 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:11,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:11,599 INFO L93 Difference]: Finished difference Result 33065 states and 52283 transitions. [2024-10-11 10:22:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:22:11,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-11 10:22:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:11,707 INFO L225 Difference]: With dead ends: 33065 [2024-10-11 10:22:11,707 INFO L226 Difference]: Without dead ends: 16483 [2024-10-11 10:22:11,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:22:11,744 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:11,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:22:11,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16483 states. [2024-10-11 10:22:13,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16483 to 16483. [2024-10-11 10:22:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16483 states, 11916 states have (on average 1.43202416918429) internal successors, (17064), 11974 states have internal predecessors, (17064), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-10-11 10:22:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16483 states to 16483 states and 25892 transitions. [2024-10-11 10:22:13,555 INFO L78 Accepts]: Start accepts. Automaton has 16483 states and 25892 transitions. Word has length 224 [2024-10-11 10:22:13,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:13,555 INFO L471 AbstractCegarLoop]: Abstraction has 16483 states and 25892 transitions. [2024-10-11 10:22:13,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 16483 states and 25892 transitions. [2024-10-11 10:22:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 10:22:13,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:13,557 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:13,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 10:22:13,558 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:13,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash -137227215, now seen corresponding path program 1 times [2024-10-11 10:22:13,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:13,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064886807] [2024-10-11 10:22:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:22:13,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:13,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064886807] [2024-10-11 10:22:13,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064886807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:22:13,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:22:13,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:22:13,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112376558] [2024-10-11 10:22:13,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:22:13,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:22:13,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:13,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:22:13,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:22:13,998 INFO L87 Difference]: Start difference. First operand 16483 states and 25892 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:15,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:15,978 INFO L93 Difference]: Finished difference Result 38277 states and 60084 transitions. [2024-10-11 10:22:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:22:15,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-11 10:22:15,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:16,209 INFO L225 Difference]: With dead ends: 38277 [2024-10-11 10:22:16,210 INFO L226 Difference]: Without dead ends: 21795 [2024-10-11 10:22:16,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:22:16,243 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 123 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:16,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 343 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:22:16,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21795 states. [2024-10-11 10:22:18,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21795 to 21745. [2024-10-11 10:22:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21745 states, 15696 states have (on average 1.429026503567788) internal successors, (22430), 15780 states have internal predecessors, (22430), 5844 states have call successors, (5844), 204 states have call predecessors, (5844), 204 states have return successors, (5844), 5760 states have call predecessors, (5844), 5844 states have call successors, (5844) [2024-10-11 10:22:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21745 states to 21745 states and 34118 transitions. [2024-10-11 10:22:18,170 INFO L78 Accepts]: Start accepts. Automaton has 21745 states and 34118 transitions. Word has length 224 [2024-10-11 10:22:18,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:18,171 INFO L471 AbstractCegarLoop]: Abstraction has 21745 states and 34118 transitions. [2024-10-11 10:22:18,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 21745 states and 34118 transitions. [2024-10-11 10:22:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-11 10:22:18,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:18,174 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:18,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 10:22:18,174 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:18,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash -771158364, now seen corresponding path program 1 times [2024-10-11 10:22:18,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:18,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585084458] [2024-10-11 10:22:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:18,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-11 10:22:18,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:18,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585084458] [2024-10-11 10:22:18,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585084458] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 10:22:18,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466407028] [2024-10-11 10:22:18,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:18,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 10:22:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:22:18,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 10:22:18,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 10:22:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:18,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 10:22:18,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:22:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-10-11 10:22:18,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 10:22:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-11 10:22:19,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466407028] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 10:22:19,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 10:22:19,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-11 10:22:19,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293330257] [2024-10-11 10:22:19,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 10:22:19,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 10:22:19,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:19,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 10:22:19,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:22:19,321 INFO L87 Difference]: Start difference. First operand 21745 states and 34118 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-11 10:22:21,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:21,420 INFO L93 Difference]: Finished difference Result 41389 states and 63909 transitions. [2024-10-11 10:22:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:22:21,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 225 [2024-10-11 10:22:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:21,528 INFO L225 Difference]: With dead ends: 41389 [2024-10-11 10:22:21,528 INFO L226 Difference]: Without dead ends: 19645 [2024-10-11 10:22:21,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 511 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-10-11 10:22:21,573 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 775 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:21,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 437 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 10:22:21,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19645 states. [2024-10-11 10:22:23,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19645 to 17159. [2024-10-11 10:22:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17159 states, 12334 states have (on average 1.4027079617317983) internal successors, (17301), 12354 states have internal predecessors, (17301), 4500 states have call successors, (4500), 324 states have call predecessors, (4500), 324 states have return successors, (4500), 4480 states have call predecessors, (4500), 4500 states have call successors, (4500) [2024-10-11 10:22:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17159 states to 17159 states and 26301 transitions. [2024-10-11 10:22:23,603 INFO L78 Accepts]: Start accepts. Automaton has 17159 states and 26301 transitions. Word has length 225 [2024-10-11 10:22:23,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:23,604 INFO L471 AbstractCegarLoop]: Abstraction has 17159 states and 26301 transitions. [2024-10-11 10:22:23,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-11 10:22:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 17159 states and 26301 transitions. [2024-10-11 10:22:23,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-11 10:22:23,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:23,606 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:23,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 10:22:23,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 10:22:23,808 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:23,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:23,808 INFO L85 PathProgramCache]: Analyzing trace with hash 168658089, now seen corresponding path program 1 times [2024-10-11 10:22:23,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:23,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807200525] [2024-10-11 10:22:23,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:23,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:22:24,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:24,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807200525] [2024-10-11 10:22:24,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807200525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:22:24,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:22:24,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:22:24,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433165973] [2024-10-11 10:22:24,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:22:24,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:22:24,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:24,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:22:24,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:22:24,293 INFO L87 Difference]: Start difference. First operand 17159 states and 26301 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:26,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:26,413 INFO L93 Difference]: Finished difference Result 35403 states and 54280 transitions. [2024-10-11 10:22:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:22:26,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-10-11 10:22:26,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:26,553 INFO L225 Difference]: With dead ends: 35403 [2024-10-11 10:22:26,553 INFO L226 Difference]: Without dead ends: 18245 [2024-10-11 10:22:26,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 10:22:26,601 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 310 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:26,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 551 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:22:26,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18245 states. [2024-10-11 10:22:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18245 to 18131. [2024-10-11 10:22:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18131 states, 12910 states have (on average 1.392563903950426) internal successors, (17978), 12948 states have internal predecessors, (17978), 4878 states have call successors, (4878), 342 states have call predecessors, (4878), 342 states have return successors, (4878), 4840 states have call predecessors, (4878), 4878 states have call successors, (4878) [2024-10-11 10:22:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18131 states to 18131 states and 27734 transitions. [2024-10-11 10:22:28,512 INFO L78 Accepts]: Start accepts. Automaton has 18131 states and 27734 transitions. Word has length 226 [2024-10-11 10:22:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:22:28,513 INFO L471 AbstractCegarLoop]: Abstraction has 18131 states and 27734 transitions. [2024-10-11 10:22:28,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 18131 states and 27734 transitions. [2024-10-11 10:22:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-11 10:22:28,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:22:28,515 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:22:28,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 10:22:28,515 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:22:28,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:22:28,515 INFO L85 PathProgramCache]: Analyzing trace with hash 87648624, now seen corresponding path program 1 times [2024-10-11 10:22:28,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:22:28,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847572027] [2024-10-11 10:22:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:22:28,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:22:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:22:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:22:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:22:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:22:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:22:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:22:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:22:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:22:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:22:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:22:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:22:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 10:22:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:22:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:22:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:22:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 10:22:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:22:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:22:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:22:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:22:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:22:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:22:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:22:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 10:22:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 10:22:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 10:22:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 10:22:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:22:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:22:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 10:22:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 10:22:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 10:22:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 10:22:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 10:22:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:22:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-11 10:22:28,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:22:28,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847572027] [2024-10-11 10:22:28,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847572027] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:22:28,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:22:28,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:22:28,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381044524] [2024-10-11 10:22:28,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:22:28,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:22:28,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:22:28,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:22:28,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:22:28,956 INFO L87 Difference]: Start difference. First operand 18131 states and 27734 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-11 10:22:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:22:33,365 INFO L93 Difference]: Finished difference Result 54717 states and 83619 transitions. [2024-10-11 10:22:33,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 10:22:33,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-11 10:22:33,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:22:33,509 INFO L225 Difference]: With dead ends: 54717 [2024-10-11 10:22:33,509 INFO L226 Difference]: Without dead ends: 36587 [2024-10-11 10:22:33,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:22:33,550 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 603 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:22:33,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 541 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 10:22:33,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36587 states.