./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_floatingpointinfluence_no-floats_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 372bad28063f40745a1d198085d9dba9c573515785fed9177a01325fc4e12ae1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 11:00:23,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 11:00:23,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 11:00:23,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 11:00:23,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 11:00:23,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 11:00:23,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 11:00:23,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 11:00:23,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 11:00:23,396 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 11:00:23,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 11:00:23,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 11:00:23,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 11:00:23,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 11:00:23,399 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 11:00:23,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 11:00:23,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 11:00:23,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 11:00:23,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 11:00:23,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 11:00:23,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 11:00:23,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 11:00:23,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 11:00:23,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 11:00:23,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 11:00:23,404 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 11:00:23,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 11:00:23,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 11:00:23,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 11:00:23,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 11:00:23,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 11:00:23,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 11:00:23,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:00:23,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 11:00:23,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 11:00:23,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 11:00:23,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 11:00:23,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 11:00:23,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 11:00:23,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 11:00:23,409 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 11:00:23,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 11:00:23,409 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372bad28063f40745a1d198085d9dba9c573515785fed9177a01325fc4e12ae1 [2024-10-11 11:00:23,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 11:00:23,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 11:00:23,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 11:00:23,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 11:00:23,707 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 11:00:23,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2024-10-11 11:00:25,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 11:00:25,403 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 11:00:25,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2024-10-11 11:00:25,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f12089ff3/eccb8c8c556d4b268364fe242ee8b855/FLAG0309cbaf4 [2024-10-11 11:00:25,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f12089ff3/eccb8c8c556d4b268364fe242ee8b855 [2024-10-11 11:00:25,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 11:00:25,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 11:00:25,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 11:00:25,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 11:00:25,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 11:00:25,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbd0ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25, skipping insertion in model container [2024-10-11 11:00:25,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 11:00:25,732 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_floatingpointinfluence_no-floats_file-86.i[916,929] [2024-10-11 11:00:25,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:00:25,811 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 11:00:25,824 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_floatingpointinfluence_no-floats_file-86.i[916,929] [2024-10-11 11:00:25,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:00:25,853 INFO L204 MainTranslator]: Completed translation [2024-10-11 11:00:25,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25 WrapperNode [2024-10-11 11:00:25,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 11:00:25,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 11:00:25,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 11:00:25,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 11:00:25,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,906 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2024-10-11 11:00:25,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 11:00:25,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 11:00:25,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 11:00:25,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 11:00:25,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,946 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 11:00:25,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 11:00:25,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 11:00:25,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 11:00:25,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 11:00:25,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (1/1) ... [2024-10-11 11:00:25,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:00:25,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:00:26,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 11:00:26,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 11:00:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 11:00:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 11:00:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 11:00:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 11:00:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 11:00:26,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 11:00:26,133 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 11:00:26,137 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 11:00:26,439 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-11 11:00:26,439 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 11:00:26,478 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 11:00:26,481 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 11:00:26,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:00:26 BoogieIcfgContainer [2024-10-11 11:00:26,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 11:00:26,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 11:00:26,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 11:00:26,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 11:00:26,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:00:25" (1/3) ... [2024-10-11 11:00:26,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca20495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:00:26, skipping insertion in model container [2024-10-11 11:00:26,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:00:25" (2/3) ... [2024-10-11 11:00:26,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca20495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:00:26, skipping insertion in model container [2024-10-11 11:00:26,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:00:26" (3/3) ... [2024-10-11 11:00:26,489 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-86.i [2024-10-11 11:00:26,503 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 11:00:26,503 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 11:00:26,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 11:00:26,572 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;@1fb9d6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 11:00:26,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 11:00:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-11 11:00:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-11 11:00:26,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:26,590 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:26,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:26,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:26,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1186546830, now seen corresponding path program 1 times [2024-10-11 11:00:26,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:26,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456175237] [2024-10-11 11:00:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:00:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:00:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:00:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:00:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:00:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:00:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:00:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:00:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:00:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:00:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:00:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:00:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:00:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:00:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 11:00:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:00:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 11:00:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:00:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 11:00:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:00:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 11:00:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:00:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 11:00:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:00:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 11:00:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:00:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 11:00:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:00:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-11 11:00:26,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:00:26,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456175237] [2024-10-11 11:00:26,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456175237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:00:26,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:00:26,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 11:00:26,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591604931] [2024-10-11 11:00:26,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:00:26,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 11:00:26,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:00:26,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 11:00:26,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:00:26,931 INFO L87 Difference]: Start difference. First operand has 70 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 11:00:26,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:00:26,959 INFO L93 Difference]: Finished difference Result 137 states and 242 transitions. [2024-10-11 11:00:26,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 11:00:26,961 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 166 [2024-10-11 11:00:26,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:00:26,967 INFO L225 Difference]: With dead ends: 137 [2024-10-11 11:00:26,967 INFO L226 Difference]: Without dead ends: 68 [2024-10-11 11:00:26,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:00:26,972 INFO L432 NwaCegarLoop]: 100 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, 100 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 [2024-10-11 11:00:26,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:00:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-11 11:00:27,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-11 11:00:27,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-11 11:00:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 103 transitions. [2024-10-11 11:00:27,097 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 103 transitions. Word has length 166 [2024-10-11 11:00:27,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:00:27,098 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 103 transitions. [2024-10-11 11:00:27,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 11:00:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-10-11 11:00:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-11 11:00:27,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:27,107 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:27,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 11:00:27,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:27,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1029913742, now seen corresponding path program 1 times [2024-10-11 11:00:27,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:27,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120446088] [2024-10-11 11:00:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:00:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:00:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:00:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:00:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:00:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:00:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:00:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:00:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:00:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:00:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:00:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:00:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:00:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:00:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 11:00:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:00:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 11:00:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:00:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 11:00:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:00:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 11:00:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:00:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 11:00:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:00:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 11:00:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:00:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 11:00:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:00:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-11 11:00:27,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:00:27,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120446088] [2024-10-11 11:00:27,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120446088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:00:27,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:00:27,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 11:00:27,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638161919] [2024-10-11 11:00:27,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:00:27,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 11:00:27,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:00:27,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 11:00:27,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 11:00:27,573 INFO L87 Difference]: Start difference. First operand 68 states and 103 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:00:27,621 INFO L93 Difference]: Finished difference Result 155 states and 232 transitions. [2024-10-11 11:00:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 11:00:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 166 [2024-10-11 11:00:27,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:00:27,624 INFO L225 Difference]: With dead ends: 155 [2024-10-11 11:00:27,624 INFO L226 Difference]: Without dead ends: 88 [2024-10-11 11:00:27,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 11:00:27,626 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 21 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:00:27,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 202 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:00:27,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-11 11:00:27,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 78. [2024-10-11 11:00:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 48 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-11 11:00:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 117 transitions. [2024-10-11 11:00:27,638 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 117 transitions. Word has length 166 [2024-10-11 11:00:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:00:27,640 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 117 transitions. [2024-10-11 11:00:27,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2024-10-11 11:00:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-11 11:00:27,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:27,642 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:27,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 11:00:27,643 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:27,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:27,643 INFO L85 PathProgramCache]: Analyzing trace with hash 636886732, now seen corresponding path program 1 times [2024-10-11 11:00:27,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:27,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806262947] [2024-10-11 11:00:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:27,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:00:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:00:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:00:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:00:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:00:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:00:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:00:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:00:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:00:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:00:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:00:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:00:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:00:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:00:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 11:00:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:00:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 11:00:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:00:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 11:00:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:00:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 11:00:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:00:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 11:00:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:00:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 11:00:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:00:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 11:00:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:00:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-11 11:00:29,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:00:29,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806262947] [2024-10-11 11:00:29,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806262947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:00:29,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:00:29,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 11:00:29,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964949236] [2024-10-11 11:00:29,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:00:29,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 11:00:29,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:00:29,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 11:00:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 11:00:29,907 INFO L87 Difference]: Start difference. First operand 78 states and 117 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:30,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:00:30,150 INFO L93 Difference]: Finished difference Result 182 states and 269 transitions. [2024-10-11 11:00:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 11:00:30,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 166 [2024-10-11 11:00:30,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:00:30,152 INFO L225 Difference]: With dead ends: 182 [2024-10-11 11:00:30,152 INFO L226 Difference]: Without dead ends: 105 [2024-10-11 11:00:30,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-11 11:00:30,154 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 44 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 11:00:30,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 383 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 11:00:30,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-11 11:00:30,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 92. [2024-10-11 11:00:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 62 states have internal predecessors, (80), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-11 11:00:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 136 transitions. [2024-10-11 11:00:30,166 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 136 transitions. Word has length 166 [2024-10-11 11:00:30,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:00:30,166 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 136 transitions. [2024-10-11 11:00:30,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:30,167 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions. [2024-10-11 11:00:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-11 11:00:30,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:30,168 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:30,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 11:00:30,169 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:30,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:30,169 INFO L85 PathProgramCache]: Analyzing trace with hash -172459894, now seen corresponding path program 1 times [2024-10-11 11:00:30,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:30,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259693663] [2024-10-11 11:00:30,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:30,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:00:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:00:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:00:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:00:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:00:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:00:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:00:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:00:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:00:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:00:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:00:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:00:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:00:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:00:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 11:00:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:00:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 11:00:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:00:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 11:00:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:00:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 11:00:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:00:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 11:00:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:00:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 11:00:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:00:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 11:00:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:00:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-11 11:00:31,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:00:31,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259693663] [2024-10-11 11:00:31,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259693663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:00:31,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:00:31,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 11:00:31,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002166300] [2024-10-11 11:00:31,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:00:31,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 11:00:31,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:00:31,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 11:00:31,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-11 11:00:31,688 INFO L87 Difference]: Start difference. First operand 92 states and 136 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:32,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:00:32,008 INFO L93 Difference]: Finished difference Result 195 states and 285 transitions. [2024-10-11 11:00:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 11:00:32,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 166 [2024-10-11 11:00:32,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:00:32,011 INFO L225 Difference]: With dead ends: 195 [2024-10-11 11:00:32,011 INFO L226 Difference]: Without dead ends: 104 [2024-10-11 11:00:32,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 11:00:32,013 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 20 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 11:00:32,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 403 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 11:00:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-11 11:00:32,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 78. [2024-10-11 11:00:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-11 11:00:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 115 transitions. [2024-10-11 11:00:32,022 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 115 transitions. Word has length 166 [2024-10-11 11:00:32,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:00:32,023 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 115 transitions. [2024-10-11 11:00:32,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2024-10-11 11:00:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-11 11:00:32,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:32,026 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:32,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 11:00:32,026 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:32,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:32,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1578942609, now seen corresponding path program 1 times [2024-10-11 11:00:32,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:32,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31840845] [2024-10-11 11:00:32,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:32,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:00:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:00:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:00:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:00:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:00:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:00:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:00:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:00:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:00:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:00:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:00:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:00:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:00:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:00:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 11:00:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:00:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 11:00:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:00:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 11:00:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:00:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 11:00:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:00:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 11:00:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:00:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 11:00:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:00:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 11:00:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:00:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-11 11:00:34,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:00:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31840845] [2024-10-11 11:00:34,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31840845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:00:34,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:00:34,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 11:00:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705389313] [2024-10-11 11:00:34,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:00:34,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 11:00:34,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:00:34,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 11:00:34,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 11:00:34,637 INFO L87 Difference]: Start difference. First operand 78 states and 115 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:35,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:00:35,293 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2024-10-11 11:00:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 11:00:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 168 [2024-10-11 11:00:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:00:35,297 INFO L225 Difference]: With dead ends: 171 [2024-10-11 11:00:35,299 INFO L226 Difference]: Without dead ends: 169 [2024-10-11 11:00:35,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 11:00:35,300 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 177 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 11:00:35,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 456 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 11:00:35,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-11 11:00:35,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2024-10-11 11:00:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 89 states have (on average 1.1573033707865168) internal successors, (103), 91 states have internal predecessors, (103), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-11 11:00:35,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 247 transitions. [2024-10-11 11:00:35,341 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 247 transitions. Word has length 168 [2024-10-11 11:00:35,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:00:35,342 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 247 transitions. [2024-10-11 11:00:35,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 247 transitions. [2024-10-11 11:00:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-11 11:00:35,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:35,345 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:35,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 11:00:35,345 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:35,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:35,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1567892264, now seen corresponding path program 1 times [2024-10-11 11:00:35,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:35,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844375645] [2024-10-11 11:00:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:35,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:00:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:00:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:00:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:00:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:00:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:00:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:00:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:00:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:00:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:00:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:00:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:00:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:00:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:00:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 11:00:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:00:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 11:00:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:00:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 11:00:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:00:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 11:00:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:00:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 11:00:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:00:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 11:00:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:00:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 11:00:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:00:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-11 11:00:35,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:00:35,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844375645] [2024-10-11 11:00:35,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844375645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:00:35,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:00:35,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 11:00:35,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938875234] [2024-10-11 11:00:35,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:00:35,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 11:00:35,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:00:35,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 11:00:35,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 11:00:35,495 INFO L87 Difference]: Start difference. First operand 165 states and 247 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:35,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:00:35,558 INFO L93 Difference]: Finished difference Result 301 states and 438 transitions. [2024-10-11 11:00:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 11:00:35,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-10-11 11:00:35,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:00:35,563 INFO L225 Difference]: With dead ends: 301 [2024-10-11 11:00:35,565 INFO L226 Difference]: Without dead ends: 176 [2024-10-11 11:00:35,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 11:00:35,567 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 35 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:00:35,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 219 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:00:35,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-10-11 11:00:35,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 159. [2024-10-11 11:00:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-11 11:00:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2024-10-11 11:00:35,629 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 170 [2024-10-11 11:00:35,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:00:35,630 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2024-10-11 11:00:35,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2024-10-11 11:00:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-11 11:00:35,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:35,633 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:35,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 11:00:35,634 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:35,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:35,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1616890392, now seen corresponding path program 1 times [2024-10-11 11:00:35,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:35,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658361280] [2024-10-11 11:00:35,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:35,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:00:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:00:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:00:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:00:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:00:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:00:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:00:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:00:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:00:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:00:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:00:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:00:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:00:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:00:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 11:00:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:00:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 11:00:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:00:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 11:00:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:00:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 11:00:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:00:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 11:00:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:00:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 11:00:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:00:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 11:00:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:00:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:00:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-11 11:00:35,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:00:35,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658361280] [2024-10-11 11:00:35,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658361280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:00:35,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:00:35,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 11:00:35,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806529486] [2024-10-11 11:00:35,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:00:35,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 11:00:35,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:00:35,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 11:00:35,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 11:00:35,770 INFO L87 Difference]: Start difference. First operand 159 states and 238 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:00:35,832 INFO L93 Difference]: Finished difference Result 316 states and 464 transitions. [2024-10-11 11:00:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 11:00:35,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-10-11 11:00:35,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:00:35,835 INFO L225 Difference]: With dead ends: 316 [2024-10-11 11:00:35,835 INFO L226 Difference]: Without dead ends: 197 [2024-10-11 11:00:35,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 11:00:35,837 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 79 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:00:35,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 387 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:00:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-11 11:00:35,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2024-10-11 11:00:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 101 states have (on average 1.118811881188119) internal successors, (113), 104 states have internal predecessors, (113), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 85 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-11 11:00:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 289 transitions. [2024-10-11 11:00:35,872 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 289 transitions. Word has length 170 [2024-10-11 11:00:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:00:35,873 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 289 transitions. [2024-10-11 11:00:35,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-11 11:00:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 289 transitions. [2024-10-11 11:00:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-11 11:00:35,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:00:35,876 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:00:35,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 11:00:35,876 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:00:35,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:00:35,877 INFO L85 PathProgramCache]: Analyzing trace with hash -840721231, now seen corresponding path program 1 times [2024-10-11 11:00:35,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:00:35,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638693471] [2024-10-11 11:00:35,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:00:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:00:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat