./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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-pe-co_file-31.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 6a7974064a8971bceca2aca98594e85fbf3a77834158073b9b1833f7bdef4f33 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:09:54,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:09:54,068 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:09:54,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:09:54,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:09:54,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:09:54,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:09:54,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:09:54,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:09:54,108 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:09:54,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:09:54,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:09:54,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:09:54,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:09:54,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:09:54,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:09:54,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:09:54,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:09:54,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:09:54,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:09:54,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:09:54,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:09:54,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:09:54,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:09:54,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:09:54,118 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:09:54,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:09:54,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:09:54,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:09:54,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:09:54,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:09:54,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:09:54,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:09:54,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:09:54,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:09:54,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:09:54,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:09:54,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:09:54,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:09:54,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:09:54,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:09:54,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:09:54,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a7974064a8971bceca2aca98594e85fbf3a77834158073b9b1833f7bdef4f33 [2024-11-12 03:09:54,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:09:54,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:09:54,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:09:54,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:09:54,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:09:54,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-31.i [2024-11-12 03:09:55,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:09:56,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:09:56,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-31.i [2024-11-12 03:09:56,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59089ec8/ec0c086c7eed4a65967ab446454d1dbb/FLAG2b6e2b780 [2024-11-12 03:09:56,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59089ec8/ec0c086c7eed4a65967ab446454d1dbb [2024-11-12 03:09:56,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:09:56,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:09:56,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:09:56,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:09:56,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:09:56,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52290003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56, skipping insertion in model container [2024-11-12 03:09:56,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:09:56,307 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-pe-co_file-31.i[919,932] [2024-11-12 03:09:56,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:09:56,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:09:56,442 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-pe-co_file-31.i[919,932] [2024-11-12 03:09:56,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:09:56,526 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:09:56,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56 WrapperNode [2024-11-12 03:09:56,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:09:56,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:09:56,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:09:56,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:09:56,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,598 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-12 03:09:56,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:09:56,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:09:56,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:09:56,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:09:56,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,657 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]. [2024-11-12 03:09:56,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:09:56,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:09:56,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:09:56,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:09:56,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (1/1) ... [2024-11-12 03:09:56,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:09:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:09:56,741 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) [2024-11-12 03:09:56,748 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 [2024-11-12 03:09:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:09:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:09:56,794 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:09:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:09:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:09:56,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:09:56,902 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:09:56,904 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:09:57,394 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 03:09:57,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:09:57,411 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:09:57,411 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:09:57,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:09:57 BoogieIcfgContainer [2024-11-12 03:09:57,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:09:57,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:09:57,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:09:57,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:09:57,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:09:56" (1/3) ... [2024-11-12 03:09:57,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562ca05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:09:57, skipping insertion in model container [2024-11-12 03:09:57,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:09:56" (2/3) ... [2024-11-12 03:09:57,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562ca05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:09:57, skipping insertion in model container [2024-11-12 03:09:57,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:09:57" (3/3) ... [2024-11-12 03:09:57,423 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-31.i [2024-11-12 03:09:57,442 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:09:57,442 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:09:57,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:09:57,517 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;@7d69de2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:09:57,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:09:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 69 states have (on average 1.391304347826087) internal successors, (96), 70 states have internal predecessors, (96), 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) [2024-11-12 03:09:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-12 03:09:57,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:09:57,544 INFO L218 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] [2024-11-12 03:09:57,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:09:57,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:09:57,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1963317735, now seen corresponding path program 1 times [2024-11-12 03:09:57,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:09:57,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293971741] [2024-11-12 03:09:57,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:09:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:09:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:09:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:09:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:09:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:09:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:09:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:09:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:09:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:09:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:09:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:09:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:09:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:09:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:09:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:09:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:09:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:09:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:09:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:09:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:09:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:09:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:09:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:09:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:09:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:09:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:09:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:09:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:09:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:09:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:09:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:09:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:09:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:09:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:09:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:09:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 03:09:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 03:09:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 03:09:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 03:09:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 03:09:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 03:09:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:09:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:09:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 03:09:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 03:09:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 03:09:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 03:09:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:09:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:09:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:09:58,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:09:58,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293971741] [2024-11-12 03:09:58,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293971741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:09:58,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:09:58,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:09:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188001178] [2024-11-12 03:09:58,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:09:58,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:09:58,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:09:58,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:09:58,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:09:58,353 INFO L87 Difference]: Start difference. First operand has 120 states, 69 states have (on average 1.391304347826087) internal successors, (96), 70 states have internal predecessors, (96), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:09:58,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:09:58,422 INFO L93 Difference]: Finished difference Result 233 states and 426 transitions. [2024-11-12 03:09:58,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:09:58,425 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 290 [2024-11-12 03:09:58,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:09:58,436 INFO L225 Difference]: With dead ends: 233 [2024-11-12 03:09:58,438 INFO L226 Difference]: Without dead ends: 116 [2024-11-12 03:09:58,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:09:58,451 INFO L435 NwaCegarLoop]: 185 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, 185 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 [2024-11-12 03:09:58,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:09:58,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-12 03:09:58,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-12 03:09:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 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) [2024-11-12 03:09:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 185 transitions. [2024-11-12 03:09:58,517 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 185 transitions. Word has length 290 [2024-11-12 03:09:58,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:09:58,518 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 185 transitions. [2024-11-12 03:09:58,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:09:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2024-11-12 03:09:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-12 03:09:58,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:09:58,528 INFO L218 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] [2024-11-12 03:09:58,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:09:58,529 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:09:58,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:09:58,530 INFO L85 PathProgramCache]: Analyzing trace with hash -443989991, now seen corresponding path program 1 times [2024-11-12 03:09:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:09:58,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368195560] [2024-11-12 03:09:58,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:09:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:09:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:09:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:09:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:09:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:09:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:09:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:09:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:09:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:09:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:09:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:09:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:09:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:09:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:09:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:09:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:09:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:09:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:09:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:09:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:09:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:09:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:09:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:09:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:09:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:09:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:09:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:09:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:09:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:09:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:09:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:09:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:09:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:09:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:09:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:09:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 03:09:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 03:09:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 03:09:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 03:09:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 03:09:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 03:09:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:09:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:09:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 03:09:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 03:09:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 03:09:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 03:09:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:09:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:09:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:09:58,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:09:58,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368195560] [2024-11-12 03:09:58,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368195560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:09:58,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:09:58,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:09:58,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122506849] [2024-11-12 03:09:58,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:09:58,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:09:58,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:09:58,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:09:58,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:09:58,998 INFO L87 Difference]: Start difference. First operand 116 states and 185 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (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) [2024-11-12 03:09:59,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:09:59,104 INFO L93 Difference]: Finished difference Result 341 states and 547 transitions. [2024-11-12 03:09:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:09:59,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (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 [2024-11-12 03:09:59,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:09:59,114 INFO L225 Difference]: With dead ends: 341 [2024-11-12 03:09:59,114 INFO L226 Difference]: Without dead ends: 228 [2024-11-12 03:09:59,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:09:59,118 INFO L435 NwaCegarLoop]: 353 mSDtfsCounter, 173 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:09:59,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 527 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:09:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-12 03:09:59,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 120. [2024-11-12 03:09:59,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 70 states have internal predecessors, (94), 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) [2024-11-12 03:09:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 190 transitions. [2024-11-12 03:09:59,156 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 190 transitions. Word has length 290 [2024-11-12 03:09:59,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:09:59,160 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 190 transitions. [2024-11-12 03:09:59,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (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) [2024-11-12 03:09:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 190 transitions. [2024-11-12 03:09:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-12 03:09:59,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:09:59,168 INFO L218 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] [2024-11-12 03:09:59,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:09:59,168 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:09:59,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:09:59,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1465058345, now seen corresponding path program 1 times [2024-11-12 03:09:59,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:09:59,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286306587] [2024-11-12 03:09:59,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:09:59,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:09:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:09:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:09:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:09:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:09:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:09:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:09:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:09:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:09:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:09:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:09:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:09:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:09:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:09:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:09:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:09:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:09:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:09:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:09:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:09:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:09:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:09:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:09:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:09:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:09:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:09:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:09:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:09:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:09:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:09:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:09:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:09:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:09:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:09:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:09:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 03:09:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-12 03:09:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 03:09:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 03:09:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 03:09:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 03:09:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-12 03:09:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-12 03:09:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-12 03:09:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-12 03:09:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 03:09:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 03:09:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:09:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:09:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:09:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:09:59,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:09:59,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286306587] [2024-11-12 03:09:59,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286306587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:09:59,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:09:59,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:09:59,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471167559] [2024-11-12 03:09:59,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:09:59,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:09:59,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:09:59,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:09:59,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:09:59,880 INFO L87 Difference]: Start difference. First operand 120 states and 190 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (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) [2024-11-12 03:09:59,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:09:59,920 INFO L93 Difference]: Finished difference Result 237 states and 377 transitions. [2024-11-12 03:09:59,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:09:59,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (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 [2024-11-12 03:09:59,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:09:59,924 INFO L225 Difference]: With dead ends: 237 [2024-11-12 03:09:59,924 INFO L226 Difference]: Without dead ends: 120 [2024-11-12 03:09:59,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:09:59,928 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:09:59,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:09:59,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-12 03:09:59,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-12 03:09:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 70 states have internal predecessors, (93), 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) [2024-11-12 03:09:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 189 transitions. [2024-11-12 03:09:59,944 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 189 transitions. Word has length 290 [2024-11-12 03:09:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:09:59,946 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 189 transitions. [2024-11-12 03:09:59,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (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) [2024-11-12 03:09:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 189 transitions. [2024-11-12 03:09:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-12 03:09:59,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:09:59,952 INFO L218 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] [2024-11-12 03:09:59,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:09:59,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:09:59,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:09:59,953 INFO L85 PathProgramCache]: Analyzing trace with hash 309949017, now seen corresponding path program 1 times [2024-11-12 03:09:59,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:09:59,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519733357] [2024-11-12 03:09:59,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:09:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:10:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat