./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.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 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:02:25,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:02:25,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:02:25,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:02:25,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:02:25,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:02:25,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:02:25,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:02:25,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:02:25,766 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:02:25,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:02:25,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:02:25,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:02:25,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:02:25,769 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:02:25,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:02:25,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:02:25,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:02:25,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:02:25,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:02:25,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:02:25,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:02:25,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:02:25,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:02:25,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:02:25,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:02:25,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:02:25,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:02:25,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:02:25,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:02:25,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:02:25,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:02:25,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:02:25,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:02:25,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:02:25,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:02:25,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:02:25,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:02:25,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:02:25,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:02:25,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:02:25,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:02:25,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db [2024-10-13 02:02:25,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:02:26,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:02:26,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:02:26,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:02:26,013 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:02:26,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-10-13 02:02:27,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:02:27,488 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:02:27,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-10-13 02:02:27,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab1bc08d/cdde82218f894a7fbd578d0934b8753a/FLAG537396528 [2024-10-13 02:02:27,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab1bc08d/cdde82218f894a7fbd578d0934b8753a [2024-10-13 02:02:27,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:02:27,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:02:27,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:02:27,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:02:27,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:02:27,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:02:27" (1/1) ... [2024-10-13 02:02:27,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6bb3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:27, skipping insertion in model container [2024-10-13 02:02:27,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:02:27" (1/1) ... [2024-10-13 02:02:27,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:02:28,041 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i[919,932] [2024-10-13 02:02:28,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:02:28,118 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:02:28,129 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i[919,932] [2024-10-13 02:02:28,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:02:28,204 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:02:28,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28 WrapperNode [2024-10-13 02:02:28,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:02:28,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:02:28,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:02:28,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:02:28,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,262 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-13 02:02:28,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:02:28,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:02:28,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:02:28,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:02:28,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,303 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 02:02:28,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:02:28,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:02:28,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:02:28,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:02:28,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (1/1) ... [2024-10-13 02:02:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:02:28,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:02:28,378 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) [2024-10-13 02:02:28,382 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 [2024-10-13 02:02:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:02:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:02:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:02:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:02:28,497 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:02:28,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:02:28,888 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-13 02:02:28,889 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:02:28,941 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:02:28,942 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:02:28,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:02:28 BoogieIcfgContainer [2024-10-13 02:02:28,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:02:28,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:02:28,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:02:28,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:02:28,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:02:27" (1/3) ... [2024-10-13 02:02:28,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2518fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:02:28, skipping insertion in model container [2024-10-13 02:02:28,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:02:28" (2/3) ... [2024-10-13 02:02:28,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2518fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:02:28, skipping insertion in model container [2024-10-13 02:02:28,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:02:28" (3/3) ... [2024-10-13 02:02:28,953 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-10-13 02:02:28,968 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:02:28,968 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:02:29,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:02:29,031 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;@43780f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:02:29,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:02:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:02:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-13 02:02:29,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:02:29,052 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:02:29,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:02:29,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:02:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1698370181, now seen corresponding path program 1 times [2024-10-13 02:02:29,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:02:29,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341816342] [2024-10-13 02:02:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:29,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:02:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:02:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 02:02:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 02:02:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 02:02:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 02:02:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 02:02:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 02:02:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:02:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:02:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:02:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 02:02:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 02:02:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 02:02:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 02:02:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 02:02:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 02:02:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:02:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 02:02:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:02:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 02:02:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:02:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:02:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:02:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:02:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:02:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:02:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:02:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:02:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:02:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:02:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:02:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 02:02:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 02:02:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 02:02:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 02:02:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 02:02:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 02:02:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 02:02:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:02:29,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:02:29,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341816342] [2024-10-13 02:02:29,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341816342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:02:29,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:02:29,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:02:29,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869872740] [2024-10-13 02:02:29,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:02:29,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:02:29,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:02:29,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:02:29,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:02:29,619 INFO L87 Difference]: Start difference. First operand has 107 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 02:02:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:02:29,667 INFO L93 Difference]: Finished difference Result 211 states and 382 transitions. [2024-10-13 02:02:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:02:29,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 238 [2024-10-13 02:02:29,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:02:29,679 INFO L225 Difference]: With dead ends: 211 [2024-10-13 02:02:29,680 INFO L226 Difference]: Without dead ends: 105 [2024-10-13 02:02:29,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:02:29,690 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:02:29,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:02:29,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-13 02:02:29,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-13 02:02:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 65 states have (on average 1.4) internal successors, (91), 65 states have internal predecessors, (91), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:02:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 167 transitions. [2024-10-13 02:02:29,739 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 167 transitions. Word has length 238 [2024-10-13 02:02:29,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:02:29,740 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 167 transitions. [2024-10-13 02:02:29,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 02:02:29,741 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2024-10-13 02:02:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-13 02:02:29,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:02:29,747 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:02:29,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:02:29,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:02:29,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:02:29,749 INFO L85 PathProgramCache]: Analyzing trace with hash -985504521, now seen corresponding path program 1 times [2024-10-13 02:02:29,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:02:29,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028290968] [2024-10-13 02:02:29,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:29,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:02:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:02:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 02:02:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 02:02:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 02:02:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 02:02:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 02:02:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 02:02:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:02:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:02:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:02:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 02:02:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 02:02:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 02:02:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 02:02:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 02:02:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 02:02:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:02:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 02:02:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:02:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 02:02:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:02:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:02:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:02:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:02:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:02:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:02:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:02:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:02:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:02:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:02:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:02:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 02:02:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 02:02:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 02:02:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 02:02:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 02:02:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 02:02:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 02:02:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:02:30,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:02:30,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028290968] [2024-10-13 02:02:30,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028290968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:02:30,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:02:30,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:02:30,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381618125] [2024-10-13 02:02:30,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:02:30,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:02:30,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:02:30,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:02:30,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:02:30,160 INFO L87 Difference]: Start difference. First operand 105 states and 167 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:30,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:02:30,214 INFO L93 Difference]: Finished difference Result 269 states and 424 transitions. [2024-10-13 02:02:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:02:30,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-10-13 02:02:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:02:30,219 INFO L225 Difference]: With dead ends: 269 [2024-10-13 02:02:30,219 INFO L226 Difference]: Without dead ends: 165 [2024-10-13 02:02:30,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:02:30,221 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 88 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:02:30,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 373 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:02:30,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-13 02:02:30,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2024-10-13 02:02:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 100 states have (on average 1.36) internal successors, (136), 101 states have internal predecessors, (136), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-13 02:02:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 254 transitions. [2024-10-13 02:02:30,242 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 254 transitions. Word has length 238 [2024-10-13 02:02:30,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:02:30,247 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 254 transitions. [2024-10-13 02:02:30,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2024-10-13 02:02:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-10-13 02:02:30,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:02:30,251 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:02:30,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:02:30,252 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:02:30,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:02:30,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1112788495, now seen corresponding path program 1 times [2024-10-13 02:02:30,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:02:30,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307048164] [2024-10-13 02:02:30,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:02:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:02:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 02:02:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 02:02:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 02:02:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 02:02:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 02:02:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 02:02:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:02:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:02:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:02:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 02:02:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 02:02:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 02:02:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 02:02:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 02:02:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 02:02:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:02:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 02:02:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:02:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 02:02:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:02:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:02:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:02:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:02:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:02:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:02:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:02:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:02:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:02:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:02:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:02:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 02:02:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 02:02:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 02:02:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 02:02:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 02:02:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 02:02:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 02:02:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:02:30,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:02:30,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307048164] [2024-10-13 02:02:30,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307048164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:02:30,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:02:30,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:02:30,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809410395] [2024-10-13 02:02:30,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:02:30,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:02:30,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:02:30,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:02:30,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:02:30,595 INFO L87 Difference]: Start difference. First operand 162 states and 254 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:30,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:02:30,634 INFO L93 Difference]: Finished difference Result 325 states and 511 transitions. [2024-10-13 02:02:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:02:30,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-10-13 02:02:30,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:02:30,640 INFO L225 Difference]: With dead ends: 325 [2024-10-13 02:02:30,641 INFO L226 Difference]: Without dead ends: 164 [2024-10-13 02:02:30,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:02:30,644 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:02:30,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:02:30,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-13 02:02:30,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-10-13 02:02:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 103 states have internal predecessors, (138), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-13 02:02:30,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 256 transitions. [2024-10-13 02:02:30,665 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 256 transitions. Word has length 239 [2024-10-13 02:02:30,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:02:30,666 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 256 transitions. [2024-10-13 02:02:30,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 256 transitions. [2024-10-13 02:02:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-13 02:02:30,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:02:30,669 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:02:30,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:02:30,669 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:02:30,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:02:30,669 INFO L85 PathProgramCache]: Analyzing trace with hash 576804463, now seen corresponding path program 1 times [2024-10-13 02:02:30,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:02:30,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403018841] [2024-10-13 02:02:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:02:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:02:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 02:02:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 02:02:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 02:02:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 02:02:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 02:02:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 02:02:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:02:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:02:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:02:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 02:02:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 02:02:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 02:02:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 02:02:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 02:02:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 02:02:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:02:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 02:02:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:02:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 02:02:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:02:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:02:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:02:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:02:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:02:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:02:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:02:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:02:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:02:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:02:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:02:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 02:02:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 02:02:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 02:02:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 02:02:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 02:02:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 02:02:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 02:02:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:02:31,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:02:31,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403018841] [2024-10-13 02:02:31,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403018841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:02:31,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:02:31,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:02:31,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825219191] [2024-10-13 02:02:31,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:02:31,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:02:31,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:02:31,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:02:31,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:02:31,147 INFO L87 Difference]: Start difference. First operand 164 states and 256 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:02:31,548 INFO L93 Difference]: Finished difference Result 633 states and 962 transitions. [2024-10-13 02:02:31,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 02:02:31,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-10-13 02:02:31,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:02:31,554 INFO L225 Difference]: With dead ends: 633 [2024-10-13 02:02:31,555 INFO L226 Difference]: Without dead ends: 470 [2024-10-13 02:02:31,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:02:31,556 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 314 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:02:31,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 621 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:02:31,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-10-13 02:02:31,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 436. [2024-10-13 02:02:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 273 states have (on average 1.3076923076923077) internal successors, (357), 280 states have internal predecessors, (357), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-13 02:02:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 665 transitions. [2024-10-13 02:02:31,613 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 665 transitions. Word has length 240 [2024-10-13 02:02:31,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:02:31,613 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 665 transitions. [2024-10-13 02:02:31,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:31,614 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 665 transitions. [2024-10-13 02:02:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-13 02:02:31,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:02:31,616 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:02:31,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:02:31,616 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:02:31,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:02:31,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1837676399, now seen corresponding path program 1 times [2024-10-13 02:02:31,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:02:31,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061214850] [2024-10-13 02:02:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:31,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:02:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:02:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 02:02:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 02:02:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 02:02:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 02:02:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 02:02:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 02:02:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:02:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:02:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:02:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 02:02:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 02:02:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 02:02:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 02:02:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 02:02:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 02:02:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:02:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 02:02:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:02:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 02:02:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:02:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:02:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:02:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:02:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:02:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:02:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:02:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:02:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:02:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:02:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:02:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 02:02:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 02:02:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 02:02:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 02:02:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 02:02:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 02:02:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 02:02:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:02:31,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:02:31,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061214850] [2024-10-13 02:02:31,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061214850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:02:31,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:02:31,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:02:31,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051033049] [2024-10-13 02:02:31,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:02:31,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:02:31,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:02:31,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:02:31,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:02:31,958 INFO L87 Difference]: Start difference. First operand 436 states and 665 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:32,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:02:32,111 INFO L93 Difference]: Finished difference Result 1294 states and 1975 transitions. [2024-10-13 02:02:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:02:32,112 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-10-13 02:02:32,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:02:32,117 INFO L225 Difference]: With dead ends: 1294 [2024-10-13 02:02:32,117 INFO L226 Difference]: Without dead ends: 859 [2024-10-13 02:02:32,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:02:32,119 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 143 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:02:32,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 398 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:02:32,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-10-13 02:02:32,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 506. [2024-10-13 02:02:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 343 states have (on average 1.3731778425655976) internal successors, (471), 350 states have internal predecessors, (471), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-13 02:02:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 779 transitions. [2024-10-13 02:02:32,180 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 779 transitions. Word has length 240 [2024-10-13 02:02:32,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:02:32,181 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 779 transitions. [2024-10-13 02:02:32,181 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:02:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 779 transitions. [2024-10-13 02:02:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-13 02:02:32,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:02:32,183 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:02:32,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:02:32,183 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:02:32,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:02:32,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1894934701, now seen corresponding path program 1 times [2024-10-13 02:02:32,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:02:32,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308125097] [2024-10-13 02:02:32,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:32,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:02:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:02:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 02:02:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 02:02:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 02:02:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 02:02:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 02:02:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 02:02:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:02:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:02:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:02:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 02:02:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 02:02:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 02:02:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 02:02:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 02:02:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 02:02:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:02:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 02:02:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:02:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:32,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 02:02:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:02:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:02:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:02:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:02:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:02:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:02:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:02:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:02:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:02:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:02:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:02:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 02:02:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 02:02:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 02:02:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 02:02:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 02:02:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 02:02:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 02:02:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 02:02:33,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:02:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308125097] [2024-10-13 02:02:33,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308125097] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 02:02:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807963295] [2024-10-13 02:02:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:33,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 02:02:33,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:02:33,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 02:02:33,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 02:02:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:33,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 02:02:33,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 02:02:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1063 proven. 84 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2024-10-13 02:02:34,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 02:02:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-13 02:02:36,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807963295] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 02:02:36,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 02:02:36,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2024-10-13 02:02:36,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410343615] [2024-10-13 02:02:36,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 02:02:36,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 02:02:36,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:02:36,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 02:02:36,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:02:36,463 INFO L87 Difference]: Start difference. First operand 506 states and 779 transitions. Second operand has 15 states, 15 states have (on average 7.2) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) [2024-10-13 02:02:38,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:02:38,555 INFO L93 Difference]: Finished difference Result 2788 states and 4219 transitions. [2024-10-13 02:02:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-13 02:02:38,556 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) Word has length 240 [2024-10-13 02:02:38,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:02:38,566 INFO L225 Difference]: With dead ends: 2788 [2024-10-13 02:02:38,567 INFO L226 Difference]: Without dead ends: 2283 [2024-10-13 02:02:38,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=313, Invalid=877, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 02:02:38,570 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 723 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:02:38,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 1366 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 02:02:38,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2024-10-13 02:02:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1434. [2024-10-13 02:02:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 987 states have (on average 1.3657548125633232) internal successors, (1348), 1009 states have internal predecessors, (1348), 418 states have call successors, (418), 28 states have call predecessors, (418), 28 states have return successors, (418), 396 states have call predecessors, (418), 418 states have call successors, (418) [2024-10-13 02:02:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2184 transitions. [2024-10-13 02:02:38,814 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2184 transitions. Word has length 240 [2024-10-13 02:02:38,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:02:38,815 INFO L471 AbstractCegarLoop]: Abstraction has 1434 states and 2184 transitions. [2024-10-13 02:02:38,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) [2024-10-13 02:02:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2184 transitions. [2024-10-13 02:02:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-13 02:02:38,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:02:38,820 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:02:38,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 02:02:39,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 02:02:39,022 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:02:39,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:02:39,022 INFO L85 PathProgramCache]: Analyzing trace with hash -28293333, now seen corresponding path program 1 times [2024-10-13 02:02:39,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:02:39,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435036398] [2024-10-13 02:02:39,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:39,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:02:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:02:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 02:02:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 02:02:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 02:02:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 02:02:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 02:02:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 02:02:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:02:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:02:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:02:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 02:02:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 02:02:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 02:02:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 02:02:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 02:02:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 02:02:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 02:02:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 02:02:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:02:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 02:02:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:02:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:02:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:02:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:02:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:02:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:02:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:02:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:02:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:02:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:02:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:02:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 02:02:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 02:02:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 02:02:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 02:02:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 02:02:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 02:02:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 02:02:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 126 proven. 90 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-10-13 02:02:45,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:02:45,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435036398] [2024-10-13 02:02:45,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435036398] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 02:02:45,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268414351] [2024-10-13 02:02:45,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:02:45,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 02:02:45,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:02:45,352 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 02:02:45,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 02:02:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:02:45,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-13 02:02:45,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 02:02:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 2073 proven. 252 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-10-13 02:02:56,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 02:03:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 219 proven. 207 refuted. 0 times theorem prover too weak. 2386 trivial. 0 not checked. [2024-10-13 02:03:01,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268414351] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 02:03:01,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 02:03:01,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23, 21] total 54 [2024-10-13 02:03:01,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936609528] [2024-10-13 02:03:01,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 02:03:01,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-13 02:03:01,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:03:01,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-13 02:03:01,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=2382, Unknown=0, NotChecked=0, Total=2862 [2024-10-13 02:03:01,641 INFO L87 Difference]: Start difference. First operand 1434 states and 2184 transitions. Second operand has 54 states, 53 states have (on average 3.0943396226415096) internal successors, (164), 52 states have internal predecessors, (164), 15 states have call successors, (104), 6 states have call predecessors, (104), 14 states have return successors, (105), 15 states have call predecessors, (105), 15 states have call successors, (105) [2024-10-13 02:03:17,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]