./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-36.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-pr-cn_file-36.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 2e3d524f819c0bc1287e1839ff836746879f5ba2074defa7e5e3ec44f7e326d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:39:15,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:39:15,284 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:39:15,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:39:15,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:39:15,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:39:15,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:39:15,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:39:15,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:39:15,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:39:15,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:39:15,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:39:15,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:39:15,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:39:15,330 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:39:15,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:39:15,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:39:15,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:39:15,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:39:15,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:39:15,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:39:15,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:39:15,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:39:15,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:39:15,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:39:15,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:39:15,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:39:15,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:39:15,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:39:15,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:39:15,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:39:15,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:39:15,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:39:15,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:39:15,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:39:15,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:39:15,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:39:15,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:39:15,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:39:15,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:39:15,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:39:15,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:39:15,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e3d524f819c0bc1287e1839ff836746879f5ba2074defa7e5e3ec44f7e326d0 [2024-10-11 09:39:15,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:39:15,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:39:15,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:39:15,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:39:15,635 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:39:15,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-36.i [2024-10-11 09:39:17,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:39:17,404 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:39:17,408 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-36.i [2024-10-11 09:39:17,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/36f25438a/5e7d850b674c41859e0d3303bbf5152c/FLAGece8d8538 [2024-10-11 09:39:17,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/36f25438a/5e7d850b674c41859e0d3303bbf5152c [2024-10-11 09:39:17,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:39:17,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:39:17,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:39:17,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:39:17,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:39:17,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:17,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c40c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17, skipping insertion in model container [2024-10-11 09:39:17,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:17,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:39:17,675 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-36.i[919,932] [2024-10-11 09:39:17,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:39:17,796 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:39:17,813 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-36.i[919,932] [2024-10-11 09:39:17,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:39:17,903 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:39:17,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17 WrapperNode [2024-10-11 09:39:17,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:39:17,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:39:17,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:39:17,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:39:17,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:17,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:17,981 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 282 [2024-10-11 09:39:17,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:39:17,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:39:17,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:39:17,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:39:17,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:17,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,035 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 09:39:18,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:39:18,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:39:18,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:39:18,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:39:18,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (1/1) ... [2024-10-11 09:39:18,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:39:18,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:39:18,122 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 09:39:18,126 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 09:39:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:39:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:39:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:39:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:39:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:39:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:39:18,296 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:39:18,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:39:18,836 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 09:39:18,836 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:39:18,875 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:39:18,875 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:39:18,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:39:18 BoogieIcfgContainer [2024-10-11 09:39:18,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:39:18,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:39:18,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:39:18,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:39:18,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:39:17" (1/3) ... [2024-10-11 09:39:18,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a924739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:39:18, skipping insertion in model container [2024-10-11 09:39:18,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:39:17" (2/3) ... [2024-10-11 09:39:18,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a924739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:39:18, skipping insertion in model container [2024-10-11 09:39:18,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:39:18" (3/3) ... [2024-10-11 09:39:18,888 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-36.i [2024-10-11 09:39:18,908 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:39:18,909 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:39:18,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:39:19,003 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;@30ea34d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:39:19,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:39:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 71 states have internal predecessors, (99), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 09:39:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-10-11 09:39:19,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:39:19,032 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:39:19,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:39:19,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:39:19,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2013299576, now seen corresponding path program 1 times [2024-10-11 09:39:19,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:39:19,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812149951] [2024-10-11 09:39:19,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:39:19,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:39:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:39:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:39:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:39:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 09:39:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:39:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:39:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 09:39:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 09:39:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 09:39:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 09:39:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 09:39:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 09:39:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:39:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:39:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:39:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 09:39:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:39:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 09:39:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:39:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 09:39:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:39:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 09:39:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:39:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:39:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:39:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:39:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:39:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:39:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:39:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 09:39:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 09:39:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 09:39:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 09:39:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 09:39:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 09:39:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:39:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:39:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:39:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:39:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:39:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:39:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:39:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:39:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:39:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:39:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:39:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 09:39:19,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:39:19,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812149951] [2024-10-11 09:39:19,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812149951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:39:19,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:39:19,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:39:19,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923193222] [2024-10-11 09:39:19,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:39:19,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:39:19,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:39:19,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:39:19,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:39:19,822 INFO L87 Difference]: Start difference. First operand has 119 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 71 states have internal predecessors, (99), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 09:39:19,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:39:19,889 INFO L93 Difference]: Finished difference Result 235 states and 426 transitions. [2024-10-11 09:39:19,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:39:19,893 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 284 [2024-10-11 09:39:19,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:39:19,906 INFO L225 Difference]: With dead ends: 235 [2024-10-11 09:39:19,906 INFO L226 Difference]: Without dead ends: 117 [2024-10-11 09:39:19,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 09:39:19,921 INFO L432 NwaCegarLoop]: 182 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, 182 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 09:39:19,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:39:19,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-11 09:39:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-11 09:39:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 09:39:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 185 transitions. [2024-10-11 09:39:20,003 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 185 transitions. Word has length 284 [2024-10-11 09:39:20,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:39:20,004 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 185 transitions. [2024-10-11 09:39:20,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 09:39:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 185 transitions. [2024-10-11 09:39:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-10-11 09:39:20,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:39:20,012 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:39:20,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:39:20,012 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:39:20,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:39:20,013 INFO L85 PathProgramCache]: Analyzing trace with hash -144872752, now seen corresponding path program 1 times [2024-10-11 09:39:20,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:39:20,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024940633] [2024-10-11 09:39:20,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:39:20,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:39:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:39:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:39:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:39:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 09:39:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:39:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:39:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 09:39:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 09:39:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 09:39:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 09:39:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 09:39:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 09:39:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:39:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:39:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:39:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 09:39:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:39:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 09:39:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:39:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 09:39:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:39:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 09:39:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:39:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:39:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:39:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:39:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:39:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:39:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:39:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 09:39:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 09:39:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 09:39:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 09:39:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 09:39:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 09:39:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:39:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:39:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:39:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:39:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:39:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:39:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:39:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:39:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:39:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:39:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:39:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 09:39:20,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:39:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024940633] [2024-10-11 09:39:20,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024940633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:39:20,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:39:20,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:39:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130007419] [2024-10-11 09:39:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:39:20,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:39:20,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:39:20,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:39:20,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:39:20,543 INFO L87 Difference]: Start difference. First operand 117 states and 185 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 09:39:20,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:39:20,635 INFO L93 Difference]: Finished difference Result 268 states and 425 transitions. [2024-10-11 09:39:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:39:20,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 284 [2024-10-11 09:39:20,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:39:20,643 INFO L225 Difference]: With dead ends: 268 [2024-10-11 09:39:20,644 INFO L226 Difference]: Without dead ends: 152 [2024-10-11 09:39:20,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:39:20,650 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 51 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:39:20,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 348 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:39:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-11 09:39:20,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 138. [2024-10-11 09:39:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 09:39:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 218 transitions. [2024-10-11 09:39:20,672 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 218 transitions. Word has length 284 [2024-10-11 09:39:20,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:39:20,674 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 218 transitions. [2024-10-11 09:39:20,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 09:39:20,675 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 218 transitions. [2024-10-11 09:39:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-10-11 09:39:20,679 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:39:20,680 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:39:20,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:39:20,680 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:39:20,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:39:20,681 INFO L85 PathProgramCache]: Analyzing trace with hash 277829074, now seen corresponding path program 1 times [2024-10-11 09:39:20,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:39:20,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271136186] [2024-10-11 09:39:20,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:39:20,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:39:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:39:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:39:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:39:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 09:39:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:39:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:39:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 09:39:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 09:39:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 09:39:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 09:39:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 09:39:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 09:39:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:39:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:39:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:39:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 09:39:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:39:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 09:39:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:39:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 09:39:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:39:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 09:39:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:39:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:39:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:39:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:39:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:39:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:39:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:39:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 09:39:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 09:39:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 09:39:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 09:39:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 09:39:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 09:39:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:39:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:39:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:39:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:39:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:39:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:39:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:39:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:39:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:39:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:39:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:39:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 09:39:21,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:39:21,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271136186] [2024-10-11 09:39:21,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271136186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:39:21,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:39:21,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 09:39:21,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920499925] [2024-10-11 09:39:21,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:39:21,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 09:39:21,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:39:21,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 09:39:21,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 09:39:21,629 INFO L87 Difference]: Start difference. First operand 138 states and 218 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 09:39:22,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:39:22,188 INFO L93 Difference]: Finished difference Result 471 states and 741 transitions. [2024-10-11 09:39:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:39:22,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 284 [2024-10-11 09:39:22,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:39:22,198 INFO L225 Difference]: With dead ends: 471 [2024-10-11 09:39:22,199 INFO L226 Difference]: Without dead ends: 334 [2024-10-11 09:39:22,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:39:22,203 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 246 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:39:22,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 751 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 09:39:22,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-11 09:39:22,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 318. [2024-10-11 09:39:22,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 197 states have (on average 1.3451776649746192) internal successors, (265), 198 states have internal predecessors, (265), 116 states have call successors, (116), 4 states have call predecessors, (116), 4 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-11 09:39:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 497 transitions. [2024-10-11 09:39:22,285 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 497 transitions. Word has length 284 [2024-10-11 09:39:22,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:39:22,286 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 497 transitions. [2024-10-11 09:39:22,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 09:39:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 497 transitions. [2024-10-11 09:39:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-10-11 09:39:22,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:39:22,293 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:39:22,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:39:22,294 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:39:22,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:39:22,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1632284653, now seen corresponding path program 1 times [2024-10-11 09:39:22,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:39:22,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924780732] [2024-10-11 09:39:22,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:39:22,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:39:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:39:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:39:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:39:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 09:39:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:39:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:39:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 09:39:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 09:39:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 09:39:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 09:39:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 09:39:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 09:39:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:39:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:39:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:39:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 09:39:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:39:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 09:39:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:39:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 09:39:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:39:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 09:39:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:39:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:39:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:39:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:39:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:39:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:39:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:39:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 09:39:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 09:39:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 09:39:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 09:39:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 09:39:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 09:39:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:39:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:39:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:39:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:39:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:39:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 09:39:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:39:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 09:39:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:39:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:39:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:39:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 246 proven. 18 refuted. 0 times theorem prover too weak. 3876 trivial. 0 not checked. [2024-10-11 09:39:23,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:39:23,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924780732] [2024-10-11 09:39:23,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924780732] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 09:39:23,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540035234] [2024-10-11 09:39:23,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:39:23,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:39:23,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:39:23,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 09:39:23,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 09:39:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:39:23,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 09:39:23,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 09:39:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 788 proven. 144 refuted. 0 times theorem prover too weak. 3208 trivial. 0 not checked. [2024-10-11 09:39:24,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 09:39:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 369 proven. 27 refuted. 0 times theorem prover too weak. 3744 trivial. 0 not checked. [2024-10-11 09:39:25,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540035234] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 09:39:25,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 09:39:25,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 12] total 22 [2024-10-11 09:39:25,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222104970] [2024-10-11 09:39:25,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 09:39:25,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 09:39:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:39:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 09:39:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2024-10-11 09:39:25,486 INFO L87 Difference]: Start difference. First operand 318 states and 497 transitions. Second operand has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 20 states have internal predecessors, (101), 6 states have call successors, (51), 4 states have call predecessors, (51), 8 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2024-10-11 09:39:26,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:39:26,562 INFO L93 Difference]: Finished difference Result 543 states and 825 transitions. [2024-10-11 09:39:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 09:39:26,564 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 20 states have internal predecessors, (101), 6 states have call successors, (51), 4 states have call predecessors, (51), 8 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) Word has length 285 [2024-10-11 09:39:26,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:39:26,573 INFO L225 Difference]: With dead ends: 543 [2024-10-11 09:39:26,573 INFO L226 Difference]: Without dead ends: 356 [2024-10-11 09:39:26,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 645 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=276, Invalid=594, Unknown=0, NotChecked=0, Total=870 [2024-10-11 09:39:26,576 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 321 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:39:26,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 680 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 09:39:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-11 09:39:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 344. [2024-10-11 09:39:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 217 states have (on average 1.3133640552995391) internal successors, (285), 218 states have internal predecessors, (285), 116 states have call successors, (116), 10 states have call predecessors, (116), 10 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-11 09:39:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 517 transitions. [2024-10-11 09:39:26,666 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 517 transitions. Word has length 285 [2024-10-11 09:39:26,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:39:26,669 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 517 transitions. [2024-10-11 09:39:26,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 20 states have internal predecessors, (101), 6 states have call successors, (51), 4 states have call predecessors, (51), 8 states have return successors, (54), 6 states have call predecessors, (54), 6 states have call successors, (54) [2024-10-11 09:39:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 517 transitions. [2024-10-11 09:39:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-10-11 09:39:26,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:39:26,675 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:39:26,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 09:39:26,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:39:26,879 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:39:26,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:39:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash -329252117, now seen corresponding path program 1 times [2024-10-11 09:39:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:39:26,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768964547] [2024-10-11 09:39:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:39:26,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:39:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 09:39:27,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1328551245] [2024-10-11 09:39:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:39:27,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:39:27,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:39:27,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 09:39:27,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process