./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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-pr-cn_file-64.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 93ddecb04a6299d03367d49b2a7c18daa1f10c6a17d17e5a40552766d0a5b65a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:56:15,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:56:15,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:56:15,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:56:15,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:56:15,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:56:15,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:56:15,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:56:15,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:56:15,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:56:15,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:56:15,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:56:15,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:56:15,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:56:15,592 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:56:15,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:56:15,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:56:15,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:56:15,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:56:15,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:56:15,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:56:15,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:56:15,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:56:15,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:56:15,598 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:56:15,598 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:56:15,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:56:15,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:56:15,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:56:15,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:56:15,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:56:15,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:56:15,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:56:15,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:56:15,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:56:15,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:56:15,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:56:15,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:56:15,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:56:15,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:56:15,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:56:15,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:56:15,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ddecb04a6299d03367d49b2a7c18daa1f10c6a17d17e5a40552766d0a5b65a [2024-11-08 21:56:15,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:56:15,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:56:15,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:56:15,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:56:15,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:56:15,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-11-08 21:56:17,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:56:17,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:56:17,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-11-08 21:56:17,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1149b0760/d2aa3ef2e6c548a992ec7646a02dc757/FLAG183190dd5 [2024-11-08 21:56:17,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1149b0760/d2aa3ef2e6c548a992ec7646a02dc757 [2024-11-08 21:56:17,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:56:17,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:56:17,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:56:17,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:56:17,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:56:17,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:56:17" (1/1) ... [2024-11-08 21:56:17,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c6a2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:17, skipping insertion in model container [2024-11-08 21:56:17,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:56:17" (1/1) ... [2024-11-08 21:56:17,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:56:17,851 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-pr-cn_file-64.i[919,932] [2024-11-08 21:56:17,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:56:17,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:56:17,968 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-pr-cn_file-64.i[919,932] [2024-11-08 21:56:18,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:56:18,022 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:56:18,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18 WrapperNode [2024-11-08 21:56:18,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:56:18,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:56:18,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:56:18,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:56:18,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,073 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-11-08 21:56:18,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:56:18,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:56:18,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:56:18,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:56:18,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,105 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]. [2024-11-08 21:56:18,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:56:18,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:56:18,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:56:18,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:56:18,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (1/1) ... [2024-11-08 21:56:18,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:56:18,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:56:18,152 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) [2024-11-08 21:56:18,156 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 [2024-11-08 21:56:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:56:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:56:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:56:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:56:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:56:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:56:18,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:56:18,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:56:18,593 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 21:56:18,593 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:56:18,611 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:56:18,611 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:56:18,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:56:18 BoogieIcfgContainer [2024-11-08 21:56:18,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:56:18,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:56:18,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:56:18,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:56:18,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:56:17" (1/3) ... [2024-11-08 21:56:18,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72083c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:56:18, skipping insertion in model container [2024-11-08 21:56:18,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:56:18" (2/3) ... [2024-11-08 21:56:18,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72083c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:56:18, skipping insertion in model container [2024-11-08 21:56:18,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:56:18" (3/3) ... [2024-11-08 21:56:18,621 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-11-08 21:56:18,635 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:56:18,636 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:56:18,691 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:56:18,698 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;@7306fc7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:56:18,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:56:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 21:56:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-08 21:56:18,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:56:18,723 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:56:18,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:56:18,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:56:18,729 INFO L85 PathProgramCache]: Analyzing trace with hash -480810330, now seen corresponding path program 1 times [2024-11-08 21:56:18,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:56:18,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036886819] [2024-11-08 21:56:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:56:18,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:56:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:56:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:56:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:56:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:56:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:56:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:56:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:56:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:56:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:56:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:56:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:56:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:56:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:56:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:56:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:56:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:56:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:56:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:56:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:56:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:56:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:56:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:56:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:56:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:56:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:56:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:56:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:56:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:56:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:56:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:56:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:56:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:56:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:56:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 21:56:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-08 21:56:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 21:56:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 21:56:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-08 21:56:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-08 21:56:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-08 21:56:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-08 21:56:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-08 21:56:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-08 21:56:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-08 21:56:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-08 21:56:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-08 21:56:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-08 21:56:19,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:56:19,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036886819] [2024-11-08 21:56:19,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036886819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:56:19,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:56:19,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 21:56:19,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158957827] [2024-11-08 21:56:19,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:56:19,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 21:56:19,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:56:19,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 21:56:19,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:56:19,767 INFO L87 Difference]: Start difference. First operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-08 21:56:20,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:56:20,144 INFO L93 Difference]: Finished difference Result 346 states and 645 transitions. [2024-11-08 21:56:20,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:56:20,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-08 21:56:20,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:56:20,156 INFO L225 Difference]: With dead ends: 346 [2024-11-08 21:56:20,157 INFO L226 Difference]: Without dead ends: 232 [2024-11-08 21:56:20,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 21:56:20,167 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 185 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:56:20,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 835 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 21:56:20,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-08 21:56:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 120. [2024-11-08 21:56:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 states have internal predecessors, (96), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 21:56:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 188 transitions. [2024-11-08 21:56:20,227 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 188 transitions. Word has length 282 [2024-11-08 21:56:20,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:56:20,232 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 188 transitions. [2024-11-08 21:56:20,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-08 21:56:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2024-11-08 21:56:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-08 21:56:20,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:56:20,239 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:56:20,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:56:20,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:56:20,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:56:20,240 INFO L85 PathProgramCache]: Analyzing trace with hash 220254248, now seen corresponding path program 1 times [2024-11-08 21:56:20,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:56:20,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963255055] [2024-11-08 21:56:20,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:56:20,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:56:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:56:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:56:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:56:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:56:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:56:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:56:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:56:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:56:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:56:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:56:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:56:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:56:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:56:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:56:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:56:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:56:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:56:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:56:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:56:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:56:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:56:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:56:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:56:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:56:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:56:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:56:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:56:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:56:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:56:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:56:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:56:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:56:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:56:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 21:56:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-08 21:56:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 21:56:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 21:56:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-08 21:56:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-08 21:56:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-08 21:56:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-08 21:56:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-08 21:56:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-08 21:56:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-08 21:56:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-08 21:56:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-08 21:56:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-08 21:56:20,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:56:20,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963255055] [2024-11-08 21:56:20,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963255055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:56:20,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:56:20,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 21:56:20,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288347849] [2024-11-08 21:56:20,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:56:20,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 21:56:20,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:56:20,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 21:56:20,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:56:20,597 INFO L87 Difference]: Start difference. First operand 120 states and 188 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-08 21:56:20,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:56:20,786 INFO L93 Difference]: Finished difference Result 349 states and 544 transitions. [2024-11-08 21:56:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:56:20,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-08 21:56:20,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:56:20,790 INFO L225 Difference]: With dead ends: 349 [2024-11-08 21:56:20,790 INFO L226 Difference]: Without dead ends: 232 [2024-11-08 21:56:20,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 21:56:20,791 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 174 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 21:56:20,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 890 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 21:56:20,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-08 21:56:20,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 120. [2024-11-08 21:56:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 states have internal predecessors, (96), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 21:56:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 188 transitions. [2024-11-08 21:56:20,806 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 188 transitions. Word has length 282 [2024-11-08 21:56:20,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:56:20,807 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 188 transitions. [2024-11-08 21:56:20,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-08 21:56:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2024-11-08 21:56:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-08 21:56:20,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:56:20,813 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:56:20,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 21:56:20,813 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:56:20,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:56:20,814 INFO L85 PathProgramCache]: Analyzing trace with hash -237792984, now seen corresponding path program 1 times [2024-11-08 21:56:20,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:56:20,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515492947] [2024-11-08 21:56:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:56:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:56:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:56:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:56:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:56:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:56:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:56:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:56:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:56:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:56:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:56:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:56:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:56:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:56:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:56:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:56:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:56:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:56:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:56:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:56:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:56:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:56:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:56:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:56:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:56:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:56:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:56:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:56:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:56:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:56:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:56:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:56:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:56:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:56:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:56:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 21:56:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-08 21:56:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 21:56:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 21:56:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-08 21:56:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-08 21:56:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-08 21:56:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-08 21:56:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-08 21:56:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-08 21:56:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-08 21:56:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-08 21:56:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-08 21:56:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:56:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-08 21:56:23,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:56:23,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515492947] [2024-11-08 21:56:23,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515492947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:56:23,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:56:23,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 21:56:23,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920324537] [2024-11-08 21:56:23,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:56:23,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 21:56:23,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:56:23,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 21:56:23,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:56:23,207 INFO L87 Difference]: Start difference. First operand 120 states and 188 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-08 21:56:23,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:56:23,636 INFO L93 Difference]: Finished difference Result 408 states and 643 transitions. [2024-11-08 21:56:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:56:23,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-08 21:56:23,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:56:23,640 INFO L225 Difference]: With dead ends: 408 [2024-11-08 21:56:23,643 INFO L226 Difference]: Without dead ends: 291 [2024-11-08 21:56:23,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:56:23,644 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 205 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 21:56:23,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 828 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 21:56:23,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-08 21:56:23,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 113. [2024-11-08 21:56:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 21:56:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 177 transitions. [2024-11-08 21:56:23,660 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 177 transitions. Word has length 282 [2024-11-08 21:56:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:56:23,660 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 177 transitions. [2024-11-08 21:56:23,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-08 21:56:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 177 transitions. [2024-11-08 21:56:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-08 21:56:23,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:56:23,664 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:56:23,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 21:56:23,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:56:23,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:56:23,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1249288385, now seen corresponding path program 1 times [2024-11-08 21:56:23,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:56:23,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097223891] [2024-11-08 21:56:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:56:23,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:56:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat