./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-10.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-10.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 73a02241f62dd5f03e40960bce3ebc0277b0698412736895e26f9644edb13c8b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:36:02,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:36:02,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:36:02,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:36:02,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:36:02,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:36:02,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:36:02,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:36:02,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:36:02,343 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:36:02,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:36:02,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:36:02,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:36:02,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:36:02,346 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:36:02,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:36:02,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:36:02,347 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:36:02,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:36:02,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:36:02,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:36:02,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:36:02,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:36:02,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:36:02,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:36:02,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:36:02,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:36:02,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:36:02,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:36:02,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:36:02,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:36:02,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:36:02,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:36:02,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:36:02,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:36:02,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:36:02,354 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:36:02,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:36:02,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:36:02,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:36:02,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:36:02,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:36:02,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73a02241f62dd5f03e40960bce3ebc0277b0698412736895e26f9644edb13c8b [2024-10-11 09:36:02,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:36:02,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:36:02,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:36:02,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:36:02,629 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:36:02,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i [2024-10-11 09:36:04,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:36:04,484 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:36:04,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i [2024-10-11 09:36:04,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/83aaebfe9/4872145e5d0c49389589c5fc9ddb8795/FLAG7694d85ce [2024-10-11 09:36:04,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/83aaebfe9/4872145e5d0c49389589c5fc9ddb8795 [2024-10-11 09:36:04,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:36:04,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:36:04,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:36:04,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:36:04,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:36:04,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:04,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b831dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04, skipping insertion in model container [2024-10-11 09:36:04,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:04,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:36:04,707 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-10.i[919,932] [2024-10-11 09:36:04,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:36:04,794 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:36:04,808 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-10.i[919,932] [2024-10-11 09:36:04,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:36:04,876 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:36:04,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04 WrapperNode [2024-10-11 09:36:04,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:36:04,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:36:04,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:36:04,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:36:04,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:04,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:04,990 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-10-11 09:36:04,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:36:04,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:36:04,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:36:04,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:36:05,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,038 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 09:36:05,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:36:05,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:36:05,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:36:05,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:36:05,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (1/1) ... [2024-10-11 09:36:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:36:05,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:36:05,108 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 09:36:05,114 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 09:36:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:36:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:36:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:36:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:36:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:36:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:36:05,237 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:36:05,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:36:05,709 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-11 09:36:05,710 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:36:05,741 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:36:05,741 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:36:05,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:36:05 BoogieIcfgContainer [2024-10-11 09:36:05,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:36:05,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:36:05,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:36:05,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:36:05,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:36:04" (1/3) ... [2024-10-11 09:36:05,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e657f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:36:05, skipping insertion in model container [2024-10-11 09:36:05,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:36:04" (2/3) ... [2024-10-11 09:36:05,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e657f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:36:05, skipping insertion in model container [2024-10-11 09:36:05,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:36:05" (3/3) ... [2024-10-11 09:36:05,753 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-10.i [2024-10-11 09:36:05,773 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:36:05,774 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:36:05,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:36:05,839 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;@53ed967b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:36:05,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:36:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 09:36:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-10-11 09:36:05,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:36:05,857 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:36:05,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:36:05,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:36:05,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1860755498, now seen corresponding path program 1 times [2024-10-11 09:36:05,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:36:05,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279129426] [2024-10-11 09:36:05,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:36:05,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:36:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:36:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:36:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:36:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:36:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:36:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:36:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:36:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:36:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:36:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:36:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:36:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:36:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:36:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:36:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:36:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:36:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:36:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:36:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:36:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:36:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:36:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:36:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:36:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:36:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:36:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 09:36:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:36:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 09:36:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:36:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:36:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:36:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:36:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:36:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:36:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:36:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:36:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:36:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 09:36:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 09:36:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 09:36:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 09:36:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 09:36:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 09:36:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 09:36:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 09:36:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 09:36:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 09:36:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:36:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:36:07,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:36:07,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279129426] [2024-10-11 09:36:07,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279129426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:36:07,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:36:07,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:36:07,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113589645] [2024-10-11 09:36:07,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:36:07,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:36:07,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:36:07,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:36:07,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:36:07,321 INFO L87 Difference]: Start difference. First operand has 140 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:36:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:36:07,568 INFO L93 Difference]: Finished difference Result 415 states and 770 transitions. [2024-10-11 09:36:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:36:07,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 290 [2024-10-11 09:36:07,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:36:07,579 INFO L225 Difference]: With dead ends: 415 [2024-10-11 09:36:07,579 INFO L226 Difference]: Without dead ends: 276 [2024-10-11 09:36:07,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:36:07,589 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 130 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:36:07,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 638 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:36:07,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-11 09:36:07,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 218. [2024-10-11 09:36:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 119 states have internal predecessors, (155), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 09:36:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 347 transitions. [2024-10-11 09:36:07,648 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 347 transitions. Word has length 290 [2024-10-11 09:36:07,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:36:07,649 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 347 transitions. [2024-10-11 09:36:07,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:36:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 347 transitions. [2024-10-11 09:36:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:36:07,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:36:07,656 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:36:07,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:36:07,657 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:36:07,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:36:07,657 INFO L85 PathProgramCache]: Analyzing trace with hash -311054564, now seen corresponding path program 1 times [2024-10-11 09:36:07,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:36:07,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23216758] [2024-10-11 09:36:07,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:36:07,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:36:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:36:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:36:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:36:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:36:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:36:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:36:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:36:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:36:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:36:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:36:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:36:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:36:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:36:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:36:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:36:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:36:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:36:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:36:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:36:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:36:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:36:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:36:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:36:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:36:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:36:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 09:36:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:36:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 09:36:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:36:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:36:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:36:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:36:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:36:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:36:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:36:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:36:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:36:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 09:36:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 09:36:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 09:36:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 09:36:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 09:36:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 09:36:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 09:36:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 09:36:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 09:36:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 09:36:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:36:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:36:29,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:36:29,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23216758] [2024-10-11 09:36:29,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23216758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:36:29,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:36:29,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 09:36:29,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909585321] [2024-10-11 09:36:29,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:36:29,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 09:36:29,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:36:29,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 09:36:29,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-11 09:36:29,501 INFO L87 Difference]: Start difference. First operand 218 states and 347 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:36:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:36:32,190 INFO L93 Difference]: Finished difference Result 638 states and 1002 transitions. [2024-10-11 09:36:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 09:36:32,191 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-11 09:36:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:36:32,195 INFO L225 Difference]: With dead ends: 638 [2024-10-11 09:36:32,195 INFO L226 Difference]: Without dead ends: 501 [2024-10-11 09:36:32,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2024-10-11 09:36:32,198 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 1119 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:36:32,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1524 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 09:36:32,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-10-11 09:36:32,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 393. [2024-10-11 09:36:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 244 states have (on average 1.3811475409836065) internal successors, (337), 245 states have internal predecessors, (337), 144 states have call successors, (144), 4 states have call predecessors, (144), 4 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-11 09:36:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 625 transitions. [2024-10-11 09:36:32,258 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 625 transitions. Word has length 291 [2024-10-11 09:36:32,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:36:32,259 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 625 transitions. [2024-10-11 09:36:32,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:36:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 625 transitions. [2024-10-11 09:36:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:36:32,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:36:32,262 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:36:32,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:36:32,263 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:36:32,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:36:32,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1120401190, now seen corresponding path program 1 times [2024-10-11 09:36:32,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:36:32,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924448355] [2024-10-11 09:36:32,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:36:32,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:36:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:36:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:36:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:36:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:36:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:36:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:36:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:36:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:36:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:36:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:36:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:36:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:36:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:36:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:36:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:36:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:36:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:36:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:36:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:36:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:36:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:36:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 09:36:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:36:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 09:36:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 09:36:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 09:36:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 09:36:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 09:36:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 09:36:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:36:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 09:36:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:36:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:36:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:36:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:36:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:36:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:36:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 09:36:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 09:36:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 09:36:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 09:36:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 09:36:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 09:36:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 09:36:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 09:36:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 09:36:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 09:36:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:36:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:36:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:36:40,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:36:40,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924448355] [2024-10-11 09:36:40,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924448355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:36:40,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:36:40,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 09:36:40,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064381156] [2024-10-11 09:36:40,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:36:40,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 09:36:40,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:36:40,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 09:36:40,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:36:40,739 INFO L87 Difference]: Start difference. First operand 393 states and 625 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:36:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:36:41,834 INFO L93 Difference]: Finished difference Result 832 states and 1301 transitions. [2024-10-11 09:36:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 09:36:41,834 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:36:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:36:41,839 INFO L225 Difference]: With dead ends: 832 [2024-10-11 09:36:41,839 INFO L226 Difference]: Without dead ends: 518 [2024-10-11 09:36:41,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-10-11 09:36:41,842 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 758 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 09:36:41,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1273 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 09:36:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-10-11 09:36:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 393. [2024-10-11 09:36:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 244 states have (on average 1.3770491803278688) internal successors, (336), 245 states have internal predecessors, (336), 144 states have call successors, (144), 4 states have call predecessors, (144), 4 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-11 09:36:41,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 624 transitions. [2024-10-11 09:36:41,885 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 624 transitions. Word has length 291 [2024-10-11 09:36:41,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:36:41,885 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 624 transitions. [2024-10-11 09:36:41,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:36:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 624 transitions. [2024-10-11 09:36:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:36:41,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:36:41,888 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:36:41,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:36:41,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:36:41,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:36:41,889 INFO L85 PathProgramCache]: Analyzing trace with hash 206098460, now seen corresponding path program 1 times [2024-10-11 09:36:41,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:36:41,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420198864] [2024-10-11 09:36:41,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:36:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:36:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat