./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f2334f2a5280c6f8bd58fdc7714429a303d87a42c4cda26bddf4d9076f15b03 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:10:41,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:10:41,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:10:41,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:10:41,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:10:41,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:10:41,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:10:41,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:10:41,454 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:10:41,455 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:10:41,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:10:41,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:10:41,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:10:41,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:10:41,457 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:10:41,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:10:41,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:10:41,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:10:41,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:10:41,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:10:41,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:10:41,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:10:41,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:10:41,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:10:41,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:10:41,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:10:41,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:10:41,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:10:41,465 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:10:41,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:10:41,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:10:41,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:10:41,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:10:41,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:10:41,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:10:41,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:10:41,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:10:41,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:10:41,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:10:41,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:10:41,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:10:41,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:10:41,472 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2334f2a5280c6f8bd58fdc7714429a303d87a42c4cda26bddf4d9076f15b03 [2024-11-10 06:10:41,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:10:41,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:10:41,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:10:41,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:10:41,808 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:10:41,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-45.i [2024-11-10 06:10:43,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:10:43,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:10:43,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-45.i [2024-11-10 06:10:43,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e934d3622/b1c9e9f5b8d9475db9551ef8f01b849b/FLAGad95aa299 [2024-11-10 06:10:43,735 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e934d3622/b1c9e9f5b8d9475db9551ef8f01b849b [2024-11-10 06:10:43,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:10:43,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:10:43,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:10:43,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:10:43,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:10:43,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:10:43" (1/1) ... [2024-11-10 06:10:43,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407d7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:43, skipping insertion in model container [2024-11-10 06:10:43,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:10:43" (1/1) ... [2024-11-10 06:10:43,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:10:43,995 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-45.i[919,932] [2024-11-10 06:10:44,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:10:44,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:10:44,159 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-45.i[919,932] [2024-11-10 06:10:44,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:10:44,224 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:10:44,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44 WrapperNode [2024-11-10 06:10:44,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:10:44,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:10:44,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:10:44,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:10:44,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,288 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2024-11-10 06:10:44,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:10:44,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:10:44,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:10:44,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:10:44,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,334 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]. [2024-11-10 06:10:44,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:10:44,355 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:10:44,355 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:10:44,355 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:10:44,356 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (1/1) ... [2024-11-10 06:10:44,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:10:44,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:10:44,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 06:10:44,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 06:10:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:10:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:10:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:10:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:10:44,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:10:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:10:44,545 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:10:44,548 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:10:44,988 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 06:10:44,988 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:10:45,008 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:10:45,010 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:10:45,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:10:45 BoogieIcfgContainer [2024-11-10 06:10:45,011 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:10:45,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:10:45,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:10:45,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:10:45,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:10:43" (1/3) ... [2024-11-10 06:10:45,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46febd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:10:45, skipping insertion in model container [2024-11-10 06:10:45,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:10:44" (2/3) ... [2024-11-10 06:10:45,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46febd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:10:45, skipping insertion in model container [2024-11-10 06:10:45,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:10:45" (3/3) ... [2024-11-10 06:10:45,025 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-45.i [2024-11-10 06:10:45,040 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:10:45,040 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:10:45,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:10:45,112 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;@233af788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:10:45,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:10:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 67 states have internal predecessors, (90), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 06:10:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-10 06:10:45,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:10:45,139 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:10:45,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:10:45,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:10:45,147 INFO L85 PathProgramCache]: Analyzing trace with hash -292021095, now seen corresponding path program 1 times [2024-11-10 06:10:45,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:10:45,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882682526] [2024-11-10 06:10:45,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:10:45,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:10:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:10:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:10:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:10:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:10:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:10:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:10:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:10:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:10:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:10:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:10:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:10:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:10:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:10:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:10:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:10:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:10:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:10:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:10:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:10:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:10:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 06:10:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 06:10:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 06:10:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 06:10:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 06:10:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 06:10:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 06:10:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 06:10:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 06:10:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 06:10:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 06:10:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 06:10:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 06:10:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 06:10:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 06:10:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 06:10:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 06:10:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:45,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 06:10:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 06:10:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 06:10:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 06:10:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-10 06:10:46,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:10:46,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882682526] [2024-11-10 06:10:46,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882682526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:10:46,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:10:46,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:10:46,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219832097] [2024-11-10 06:10:46,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:10:46,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:10:46,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:10:46,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:10:46,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:10:46,070 INFO L87 Difference]: Start difference. First operand has 110 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 67 states have internal predecessors, (90), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-10 06:10:46,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:10:46,109 INFO L93 Difference]: Finished difference Result 212 states and 378 transitions. [2024-11-10 06:10:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:10:46,117 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 257 [2024-11-10 06:10:46,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:10:46,130 INFO L225 Difference]: With dead ends: 212 [2024-11-10 06:10:46,132 INFO L226 Difference]: Without dead ends: 105 [2024-11-10 06:10:46,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:10:46,145 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:10:46,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:10:46,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-10 06:10:46,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-10 06:10:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 62 states have internal predecessors, (82), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 06:10:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 164 transitions. [2024-11-10 06:10:46,222 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 164 transitions. Word has length 257 [2024-11-10 06:10:46,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:10:46,223 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 164 transitions. [2024-11-10 06:10:46,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-10 06:10:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2024-11-10 06:10:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-10 06:10:46,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:10:46,231 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:10:46,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:10:46,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:10:46,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:10:46,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1265251572, now seen corresponding path program 1 times [2024-11-10 06:10:46,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:10:46,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738131116] [2024-11-10 06:10:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:10:46,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:10:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:10:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:10:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:10:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:10:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:10:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:10:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:10:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:10:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:10:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:10:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:10:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:10:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:10:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:10:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:10:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:10:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:10:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:10:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:10:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:10:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 06:10:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 06:10:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 06:10:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 06:10:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 06:10:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 06:10:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 06:10:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 06:10:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 06:10:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 06:10:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 06:10:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 06:10:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 06:10:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 06:10:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 06:10:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 06:10:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 06:10:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 06:10:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 06:10:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 06:10:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 06:10:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-10 06:10:46,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:10:46,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738131116] [2024-11-10 06:10:46,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738131116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:10:46,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:10:46,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:10:46,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998758714] [2024-11-10 06:10:46,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:10:46,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:10:46,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:10:46,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:10:46,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:10:46,821 INFO L87 Difference]: Start difference. First operand 105 states and 164 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-10 06:10:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:10:46,902 INFO L93 Difference]: Finished difference Result 266 states and 415 transitions. [2024-11-10 06:10:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:10:46,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 257 [2024-11-10 06:10:46,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:10:46,911 INFO L225 Difference]: With dead ends: 266 [2024-11-10 06:10:46,914 INFO L226 Difference]: Without dead ends: 164 [2024-11-10 06:10:46,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:10:46,921 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 93 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:10:46,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 352 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:10:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-10 06:10:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2024-11-10 06:10:46,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 100 states have (on average 1.36) internal successors, (136), 101 states have internal predecessors, (136), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 06:10:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 250 transitions. [2024-11-10 06:10:46,976 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 250 transitions. Word has length 257 [2024-11-10 06:10:46,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:10:46,977 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 250 transitions. [2024-11-10 06:10:46,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-10 06:10:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 250 transitions. [2024-11-10 06:10:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-10 06:10:46,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:10:46,983 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:10:46,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:10:46,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:10:46,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:10:46,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1784951243, now seen corresponding path program 1 times [2024-11-10 06:10:46,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:10:46,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054095474] [2024-11-10 06:10:46,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:10:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:10:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:10:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:10:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:10:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:10:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:10:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:10:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:10:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:10:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:10:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:10:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:10:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:10:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:10:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:10:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:10:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:10:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:10:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:10:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:10:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:10:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 06:10:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 06:10:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 06:10:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 06:10:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 06:10:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 06:10:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 06:10:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 06:10:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 06:10:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 06:10:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 06:10:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 06:10:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 06:10:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 06:10:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 06:10:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 06:10:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 06:10:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 06:10:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 06:10:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 06:10:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 06:10:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:10:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-10 06:10:47,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:10:47,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054095474] [2024-11-10 06:10:47,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054095474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:10:47,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:10:47,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:10:47,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933483060] [2024-11-10 06:10:47,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:10:47,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:10:47,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:10:47,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:10:47,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:10:47,378 INFO L87 Difference]: Start difference. First operand 160 states and 250 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-10 06:10:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:10:47,475 INFO L93 Difference]: Finished difference Result 468 states and 732 transitions. [2024-11-10 06:10:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:10:47,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 257 [2024-11-10 06:10:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:10:47,487 INFO L225 Difference]: With dead ends: 468 [2024-11-10 06:10:47,489 INFO L226 Difference]: Without dead ends: 311 [2024-11-10 06:10:47,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:10:47,493 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 153 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:10:47,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 322 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:10:47,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-10 06:10:47,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 308. [2024-11-10 06:10:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 189 states have (on average 1.3174603174603174) internal successors, (249), 191 states have internal predecessors, (249), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-10 06:10:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 477 transitions. [2024-11-10 06:10:47,568 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 477 transitions. Word has length 257 [2024-11-10 06:10:47,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:10:47,572 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 477 transitions. [2024-11-10 06:10:47,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-10 06:10:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 477 transitions. [2024-11-10 06:10:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-10 06:10:47,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:10:47,583 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:10:47,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:10:47,584 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:10:47,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:10:47,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1952972813, now seen corresponding path program 1 times [2024-11-10 06:10:47,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:10:47,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588599330] [2024-11-10 06:10:47,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:10:47,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:10:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat