./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-pe-co_file-81.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-pe-co_file-81.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 c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:22:36,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:22:36,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:22:36,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:22:36,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:22:36,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:22:36,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:22:36,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:22:36,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:22:36,668 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:22:36,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:22:36,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:22:36,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:22:36,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:22:36,670 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:22:36,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:22:36,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:22:36,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:22:36,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:22:36,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:22:36,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:22:36,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:22:36,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:22:36,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:22:36,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:22:36,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:22:36,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:22:36,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:22:36,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:22:36,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:22:36,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:22:36,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:22:36,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:22:36,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:22:36,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:22:36,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:22:36,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:22:36,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:22:36,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:22:36,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:22:36,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:22:36,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:22:36,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 [2024-10-11 09:22:36,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:22:36,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:22:36,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:22:36,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:22:36,944 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:22:36,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-10-11 09:22:38,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:22:38,653 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:22:38,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-10-11 09:22:38,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/81cf7ce01/a2ff5ca38d304c79aed0d5750dbf7a2f/FLAG162a17a02 [2024-10-11 09:22:38,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/81cf7ce01/a2ff5ca38d304c79aed0d5750dbf7a2f [2024-10-11 09:22:38,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:22:38,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:22:38,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:22:38,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:22:38,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:22:38,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:22:38" (1/1) ... [2024-10-11 09:22:38,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dde34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:38, skipping insertion in model container [2024-10-11 09:22:38,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:22:38" (1/1) ... [2024-10-11 09:22:38,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:22:38,922 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-pe-co_file-81.i[919,932] [2024-10-11 09:22:39,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:22:39,056 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:22:39,068 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-pe-co_file-81.i[919,932] [2024-10-11 09:22:39,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:22:39,127 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:22:39,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39 WrapperNode [2024-10-11 09:22:39,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:22:39,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:22:39,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:22:39,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:22:39,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,211 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-10-11 09:22:39,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:22:39,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:22:39,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:22:39,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:22:39,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,230 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,258 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 09:22:39,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:22:39,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:22:39,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:22:39,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:22:39,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (1/1) ... [2024-10-11 09:22:39,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:22:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:22:39,348 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 09:22:39,352 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 09:22:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:22:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:22:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:22:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:22:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:22:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:22:39,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:22:39,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:22:40,155 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 09:22:40,155 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:22:40,193 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:22:40,194 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:22:40,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:22:40 BoogieIcfgContainer [2024-10-11 09:22:40,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:22:40,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:22:40,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:22:40,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:22:40,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:22:38" (1/3) ... [2024-10-11 09:22:40,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7766d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:22:40, skipping insertion in model container [2024-10-11 09:22:40,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:22:39" (2/3) ... [2024-10-11 09:22:40,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7766d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:22:40, skipping insertion in model container [2024-10-11 09:22:40,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:22:40" (3/3) ... [2024-10-11 09:22:40,205 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-10-11 09:22:40,222 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:22:40,223 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:22:40,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:22:40,313 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;@67a96869, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:22:40,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:22:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 09:22:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:22:40,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:22:40,338 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:40,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:22:40,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:22:40,345 INFO L85 PathProgramCache]: Analyzing trace with hash -254003403, now seen corresponding path program 1 times [2024-10-11 09:22:40,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:22:40,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167582874] [2024-10-11 09:22:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:22:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:22:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:22:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:22:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:22:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:22:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:22:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:22:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:22:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:22:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:22:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:22:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:22:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:22:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:22:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:22:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:22:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:22:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:22:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:22:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:22:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:22:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:22:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:22:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:22:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:22:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:22:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:22:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:22:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:22:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:22:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:22:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:22:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:22:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:22:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:22:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:22:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:22:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:22:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:40,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:22:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:22:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:22:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:22:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:22:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:22:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:22:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:22:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:22:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:22:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:22:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:22:41,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:22:41,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167582874] [2024-10-11 09:22:41,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167582874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:22:41,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:22:41,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:22:41,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928781241] [2024-10-11 09:22:41,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:22:41,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:22:41,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:22:41,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:22:41,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:22:41,089 INFO L87 Difference]: Start difference. First operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:22:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:22:41,153 INFO L93 Difference]: Finished difference Result 247 states and 454 transitions. [2024-10-11 09:22:41,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:22:41,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-11 09:22:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:22:41,167 INFO L225 Difference]: With dead ends: 247 [2024-10-11 09:22:41,167 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 09:22:41,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 09:22:41,179 INFO L432 NwaCegarLoop]: 196 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, 196 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 09:22:41,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:22:41,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 09:22:41,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-11 09:22:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 73 states have internal predecessors, (103), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 09:22:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 199 transitions. [2024-10-11 09:22:41,254 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 199 transitions. Word has length 291 [2024-10-11 09:22:41,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:22:41,254 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 199 transitions. [2024-10-11 09:22:41,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:22:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2024-10-11 09:22:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:22:41,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:22:41,261 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:41,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:22:41,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:22:41,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:22:41,263 INFO L85 PathProgramCache]: Analyzing trace with hash -328276163, now seen corresponding path program 1 times [2024-10-11 09:22:41,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:22:41,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595155834] [2024-10-11 09:22:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:22:41,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:22:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:42,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:22:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:42,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:22:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:42,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:22:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:22:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:42,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:22:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:42,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:22:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:22:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:22:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:22:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:22:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:22:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:22:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:22:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:22:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:22:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:22:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:22:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:22:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:22:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:22:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:22:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:22:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:22:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:22:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:22:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:22:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:22:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:22:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:22:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:22:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:22:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:22:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:22:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:22:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:22:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:22:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:22:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:22:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:22:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:22:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:22:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:22:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:22:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:22:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:22:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:22:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:22:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:22:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:22:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:22:43,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:22:43,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595155834] [2024-10-11 09:22:43,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595155834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:22:43,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:22:43,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 09:22:43,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496212631] [2024-10-11 09:22:43,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:22:43,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 09:22:43,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:22:43,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 09:22:43,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:22:43,274 INFO L87 Difference]: Start difference. First operand 123 states and 199 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:22:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:22:44,137 INFO L93 Difference]: Finished difference Result 368 states and 596 transitions. [2024-10-11 09:22:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 09:22:44,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:22:44,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:22:44,144 INFO L225 Difference]: With dead ends: 368 [2024-10-11 09:22:44,145 INFO L226 Difference]: Without dead ends: 246 [2024-10-11 09:22:44,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:22:44,148 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 178 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:22:44,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 787 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 09:22:44,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-11 09:22:44,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 207. [2024-10-11 09:22:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 108 states have internal predecessors, (141), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 09:22:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-11 09:22:44,254 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 291 [2024-10-11 09:22:44,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:22:44,255 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-11 09:22:44,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:22:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-11 09:22:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:22:44,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:22:44,259 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:44,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:22:44,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:22:44,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:22:44,260 INFO L85 PathProgramCache]: Analyzing trace with hash 489372287, now seen corresponding path program 1 times [2024-10-11 09:22:44,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:22:44,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133060470] [2024-10-11 09:22:44,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:22:44,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:22:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:23:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:23:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:23:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:23:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:23:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:23:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:23:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:23:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:23:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:23:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:23:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:23:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:23:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:23:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:23:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:23:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:23:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:23:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:23:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:23:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:23:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:23:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:23:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:23:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:23:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:23:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:23:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:23:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:23:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:23:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:23:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:23:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:23:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:23:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:23:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:23:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:23:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:23:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:23:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:23:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:23:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:23:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:23:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:23:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:23:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:23:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:23:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:23:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:23:06,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:23:06,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133060470] [2024-10-11 09:23:06,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133060470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:23:06,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:23:06,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 09:23:06,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681245393] [2024-10-11 09:23:06,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:23:06,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 09:23:06,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:23:06,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 09:23:06,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-11 09:23:06,643 INFO L87 Difference]: Start difference. First operand 207 states and 333 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:23:11,702 INFO L93 Difference]: Finished difference Result 526 states and 851 transitions. [2024-10-11 09:23:11,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 09:23:11,703 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:23:11,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:23:11,707 INFO L225 Difference]: With dead ends: 526 [2024-10-11 09:23:11,707 INFO L226 Difference]: Without dead ends: 404 [2024-10-11 09:23:11,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-10-11 09:23:11,710 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1356 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:23:11,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 1045 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 09:23:11,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-11 09:23:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 239. [2024-10-11 09:23:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 140 states have (on average 1.3928571428571428) internal successors, (195), 140 states have internal predecessors, (195), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 09:23:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 387 transitions. [2024-10-11 09:23:11,762 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 387 transitions. Word has length 291 [2024-10-11 09:23:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:23:11,765 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 387 transitions. [2024-10-11 09:23:11,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 387 transitions. [2024-10-11 09:23:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:23:11,771 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:23:11,771 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:23:11,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:23:11,772 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:23:11,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:23:11,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1504772419, now seen corresponding path program 1 times [2024-10-11 09:23:11,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:23:11,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142946992] [2024-10-11 09:23:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:23:11,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:23:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:23:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:23:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:23:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:23:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:23:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:23:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:23:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:23:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:23:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:23:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:23:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:23:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:23:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:23:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:23:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:23:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:23:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:23:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:23:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:23:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:23:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:23:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:23:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:23:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:23:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:23:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:23:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:23:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:23:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:23:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:23:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:23:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:23:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:23:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:23:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:23:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:23:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:23:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:23:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:23:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:23:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:23:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:23:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:23:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:23:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:23:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:23:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:23:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:12,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:23:12,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:23:12,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142946992] [2024-10-11 09:23:12,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142946992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:23:12,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:23:12,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:23:12,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529215973] [2024-10-11 09:23:12,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:23:12,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:23:12,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:23:12,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:23:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:23:12,221 INFO L87 Difference]: Start difference. First operand 239 states and 387 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:12,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:23:12,314 INFO L93 Difference]: Finished difference Result 415 states and 669 transitions. [2024-10-11 09:23:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:23:12,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:23:12,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:23:12,320 INFO L225 Difference]: With dead ends: 415 [2024-10-11 09:23:12,320 INFO L226 Difference]: Without dead ends: 293 [2024-10-11 09:23:12,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 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 09:23:12,322 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 75 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:23:12,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 577 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:23:12,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-11 09:23:12,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 290. [2024-10-11 09:23:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 186 states have (on average 1.4301075268817205) internal successors, (266), 187 states have internal predecessors, (266), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:23:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 466 transitions. [2024-10-11 09:23:12,371 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 466 transitions. Word has length 291 [2024-10-11 09:23:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:23:12,373 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 466 transitions. [2024-10-11 09:23:12,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 466 transitions. [2024-10-11 09:23:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:23:12,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:23:12,378 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:23:12,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:23:12,379 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:23:12,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:23:12,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1199571455, now seen corresponding path program 1 times [2024-10-11 09:23:12,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:23:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601495860] [2024-10-11 09:23:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:23:12,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:23:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:23:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:23:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:23:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:23:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:23:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:23:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:23:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:23:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:23:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:23:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:23:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:23:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:23:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:23:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:23:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:23:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:23:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:23:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:23:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:23:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:23:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:23:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:23:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:23:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:23:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:23:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:23:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:23:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:23:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:23:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:23:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:23:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:23:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:23:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:23:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:23:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:23:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:23:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:23:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:23:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:23:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:23:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:23:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:23:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:23:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:23:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:23:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:23:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:23:25,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:23:25,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601495860] [2024-10-11 09:23:25,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601495860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:23:25,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:23:25,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 09:23:25,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745882618] [2024-10-11 09:23:25,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:23:25,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 09:23:25,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:23:25,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 09:23:25,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 09:23:25,598 INFO L87 Difference]: Start difference. First operand 290 states and 466 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:28,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:23:28,511 INFO L93 Difference]: Finished difference Result 612 states and 986 transitions. [2024-10-11 09:23:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 09:23:28,512 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:23:28,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:23:28,516 INFO L225 Difference]: With dead ends: 612 [2024-10-11 09:23:28,517 INFO L226 Difference]: Without dead ends: 441 [2024-10-11 09:23:28,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-10-11 09:23:28,518 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 706 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:23:28,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 994 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 09:23:28,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-11 09:23:28,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 290. [2024-10-11 09:23:28,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 186 states have (on average 1.4301075268817205) internal successors, (266), 187 states have internal predecessors, (266), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:23:28,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 466 transitions. [2024-10-11 09:23:28,564 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 466 transitions. Word has length 291 [2024-10-11 09:23:28,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:23:28,565 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 466 transitions. [2024-10-11 09:23:28,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 466 transitions. [2024-10-11 09:23:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:23:28,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:23:28,568 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:23:28,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 09:23:28,569 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:23:28,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:23:28,569 INFO L85 PathProgramCache]: Analyzing trace with hash 708227005, now seen corresponding path program 1 times [2024-10-11 09:23:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:23:28,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076231550] [2024-10-11 09:23:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:23:28,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:23:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:23:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:23:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:23:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:23:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:23:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:23:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:23:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:23:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:23:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:23:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:23:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:23:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:23:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:23:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:23:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:23:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:23:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:23:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:23:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:23:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:23:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:23:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:23:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:23:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:23:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:23:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:23:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:23:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:23:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:23:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:23:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:23:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:23:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:23:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:23:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:23:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:23:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:23:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:23:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:23:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:23:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:23:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:23:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:23:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:23:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:23:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:23:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:23:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:23:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:23:38,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:23:38,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076231550] [2024-10-11 09:23:38,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076231550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:23:38,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:23:38,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 09:23:38,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250304502] [2024-10-11 09:23:38,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:23:38,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 09:23:38,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:23:38,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 09:23:38,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:23:38,409 INFO L87 Difference]: Start difference. First operand 290 states and 466 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:39,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:23:39,941 INFO L93 Difference]: Finished difference Result 640 states and 1033 transitions. [2024-10-11 09:23:39,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 09:23:39,942 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:23:39,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:23:39,945 INFO L225 Difference]: With dead ends: 640 [2024-10-11 09:23:39,945 INFO L226 Difference]: Without dead ends: 469 [2024-10-11 09:23:39,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-10-11 09:23:39,947 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 594 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:23:39,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 795 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 09:23:39,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-10-11 09:23:39,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 291. [2024-10-11 09:23:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 187 states have (on average 1.4331550802139037) internal successors, (268), 188 states have internal predecessors, (268), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:23:39,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 468 transitions. [2024-10-11 09:23:39,979 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 468 transitions. Word has length 291 [2024-10-11 09:23:39,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:23:39,980 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 468 transitions. [2024-10-11 09:23:39,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:23:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 468 transitions. [2024-10-11 09:23:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:23:39,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:23:39,984 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:23:39,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 09:23:39,984 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:23:39,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:23:39,985 INFO L85 PathProgramCache]: Analyzing trace with hash -980716737, now seen corresponding path program 1 times [2024-10-11 09:23:39,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:23:39,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647605154] [2024-10-11 09:23:39,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:23:39,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:23:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat