./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8e6a4b29406119efb89376103b682bde5f3a12f7939ad220de065669d2eef17 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:06:45,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:06:45,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:06:45,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:06:45,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:06:45,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:06:45,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:06:45,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:06:45,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:06:45,368 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:06:45,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:06:45,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:06:45,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:06:45,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:06:45,370 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:06:45,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:06:45,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:06:45,370 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:06:45,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:06:45,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:06:45,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:06:45,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:06:45,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:06:45,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:06:45,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:06:45,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:06:45,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:06:45,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:06:45,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:06:45,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:06:45,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:06:45,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:06:45,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:06:45,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:06:45,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:06:45,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:06:45,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:06:45,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:06:45,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:06:45,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:06:45,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:06:45,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:06:45,382 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e6a4b29406119efb89376103b682bde5f3a12f7939ad220de065669d2eef17 [2024-11-12 04:06:45,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:06:45,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:06:45,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:06:45,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:06:45,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:06:45,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-11-12 04:06:47,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:06:47,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:06:47,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-11-12 04:06:47,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab547781/f5df3331b3684d7eaaa845578db22cca/FLAGf5d60c209 [2024-11-12 04:06:47,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab547781/f5df3331b3684d7eaaa845578db22cca [2024-11-12 04:06:47,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:06:47,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:06:47,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:06:47,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:06:47,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:06:47,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@890d43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47, skipping insertion in model container [2024-11-12 04:06:47,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:06:47,647 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i[919,932] [2024-11-12 04:06:47,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:06:47,743 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:06:47,754 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i[919,932] [2024-11-12 04:06:47,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:06:47,826 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:06:47,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47 WrapperNode [2024-11-12 04:06:47,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:06:47,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:06:47,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:06:47,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:06:47,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,884 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2024-11-12 04:06:47,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:06:47,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:06:47,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:06:47,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:06:47,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,924 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 04:06:47,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:06:47,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:06:47,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:06:47,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:06:47,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (1/1) ... [2024-11-12 04:06:47,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:06:47,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:06:48,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 04:06:48,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 04:06:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:06:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:06:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:06:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:06:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:06:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:06:48,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:06:48,161 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:06:48,619 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-12 04:06:48,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:06:48,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:06:48,635 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:06:48,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:06:48 BoogieIcfgContainer [2024-11-12 04:06:48,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:06:48,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:06:48,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:06:48,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:06:48,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:06:47" (1/3) ... [2024-11-12 04:06:48,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770027b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:06:48, skipping insertion in model container [2024-11-12 04:06:48,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:06:47" (2/3) ... [2024-11-12 04:06:48,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770027b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:06:48, skipping insertion in model container [2024-11-12 04:06:48,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:06:48" (3/3) ... [2024-11-12 04:06:48,645 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-11-12 04:06:48,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:06:48,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:06:48,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:06:48,740 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;@180ad041, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:06:48,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:06:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 70 states have internal predecessors, (98), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:06:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 04:06:48,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:06:48,760 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:06:48,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:06:48,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:06:48,767 INFO L85 PathProgramCache]: Analyzing trace with hash 134201802, now seen corresponding path program 1 times [2024-11-12 04:06:48,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:06:48,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954396034] [2024-11-12 04:06:48,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:06:48,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:06:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:06:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:06:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:06:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:06:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:06:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:06:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:06:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:06:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:06:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:06:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:06:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:06:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:06:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:06:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:06:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:06:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:06:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:06:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:06:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:06:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:06:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:06:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:06:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:06:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:06:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:06:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:06:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:06:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:06:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:06:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 04:06:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:06:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 04:06:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:06:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:06:49,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:06:49,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954396034] [2024-11-12 04:06:49,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954396034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:06:49,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:06:49,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:06:49,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153405004] [2024-11-12 04:06:49,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:06:49,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:06:49,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:06:49,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:06:49,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:06:49,475 INFO L87 Difference]: Start difference. First operand has 106 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 70 states have internal predecessors, (98), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:06:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:06:49,523 INFO L93 Difference]: Finished difference Result 205 states and 360 transitions. [2024-11-12 04:06:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:06:49,526 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-12 04:06:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:06:49,536 INFO L225 Difference]: With dead ends: 205 [2024-11-12 04:06:49,536 INFO L226 Difference]: Without dead ends: 102 [2024-11-12 04:06:49,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:06:49,549 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:06:49,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:06:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-12 04:06:49,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-12 04:06:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:06:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 159 transitions. [2024-11-12 04:06:49,603 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 159 transitions. Word has length 219 [2024-11-12 04:06:49,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:06:49,606 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 159 transitions. [2024-11-12 04:06:49,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:06:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2024-11-12 04:06:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 04:06:49,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:06:49,613 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:06:49,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:06:49,614 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:06:49,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:06:49,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1719561166, now seen corresponding path program 1 times [2024-11-12 04:06:49,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:06:49,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111378265] [2024-11-12 04:06:49,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:06:49,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:06:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:06:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:06:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:06:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:06:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:06:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:06:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:06:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:06:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:06:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:06:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:06:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:06:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:06:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:06:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:06:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:06:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:06:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:06:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:06:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:06:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:06:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:06:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:06:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:06:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:06:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:06:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:06:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:06:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:06:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:06:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 04:06:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:06:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 04:06:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:06:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:06:50,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:06:50,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111378265] [2024-11-12 04:06:50,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111378265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:06:50,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:06:50,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:06:50,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003672903] [2024-11-12 04:06:50,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:06:50,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:06:50,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:06:50,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:06:50,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:06:50,314 INFO L87 Difference]: Start difference. First operand 102 states and 159 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:06:50,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:06:50,621 INFO L93 Difference]: Finished difference Result 201 states and 315 transitions. [2024-11-12 04:06:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:06:50,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 04:06:50,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:06:50,626 INFO L225 Difference]: With dead ends: 201 [2024-11-12 04:06:50,626 INFO L226 Difference]: Without dead ends: 102 [2024-11-12 04:06:50,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:06:50,632 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 145 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:06:50,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 229 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:06:50,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-12 04:06:50,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-12 04:06:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:06:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 158 transitions. [2024-11-12 04:06:50,653 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 158 transitions. Word has length 219 [2024-11-12 04:06:50,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:06:50,655 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 158 transitions. [2024-11-12 04:06:50,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:06:50,655 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2024-11-12 04:06:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 04:06:50,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:06:50,658 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:06:50,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:06:50,659 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:06:50,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:06:50,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1295542452, now seen corresponding path program 1 times [2024-11-12 04:06:50,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:06:50,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009977691] [2024-11-12 04:06:50,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:06:50,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:06:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:06:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:06:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:06:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:06:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:06:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:06:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:06:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:06:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:06:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:06:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:06:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:06:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:06:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:06:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:06:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:06:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:06:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:06:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:06:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:06:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:06:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:06:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:06:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:06:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:06:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:06:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:06:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:06:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:06:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:06:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 04:06:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:06:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 04:06:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:06:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:06:51,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:06:51,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009977691] [2024-11-12 04:06:51,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009977691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:06:51,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:06:51,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:06:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115979836] [2024-11-12 04:06:51,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:06:51,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:06:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:06:51,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:06:51,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:06:51,138 INFO L87 Difference]: Start difference. First operand 102 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:06:51,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:06:51,338 INFO L93 Difference]: Finished difference Result 272 states and 422 transitions. [2024-11-12 04:06:51,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:06:51,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 04:06:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:06:51,344 INFO L225 Difference]: With dead ends: 272 [2024-11-12 04:06:51,344 INFO L226 Difference]: Without dead ends: 173 [2024-11-12 04:06:51,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 04:06:51,346 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 106 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:06:51,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 634 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:06:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-12 04:06:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-12 04:06:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 118 states have internal predecessors, (164), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 04:06:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 264 transitions. [2024-11-12 04:06:51,381 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 264 transitions. Word has length 219 [2024-11-12 04:06:51,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:06:51,383 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 264 transitions. [2024-11-12 04:06:51,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:06:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 264 transitions. [2024-11-12 04:06:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 04:06:51,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:06:51,391 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:06:51,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:06:51,392 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:06:51,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:06:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1429555958, now seen corresponding path program 1 times [2024-11-12 04:06:51,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:06:51,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128448743] [2024-11-12 04:06:51,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:06:51,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:06:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:06:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:06:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:06:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:06:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:06:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:06:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:06:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:06:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:06:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:06:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:06:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:06:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:06:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:06:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:06:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:06:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:06:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:06:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:06:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:06:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:06:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:06:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:06:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:06:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:06:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:06:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:06:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:06:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:06:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:06:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 04:06:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:06:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 04:06:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:06:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:06:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:06:51,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:06:51,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128448743] [2024-11-12 04:06:51,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128448743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:06:51,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:06:51,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:06:51,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637704561] [2024-11-12 04:06:51,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:06:51,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:06:51,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:06:51,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:06:51,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:06:51,753 INFO L87 Difference]: Start difference. First operand 170 states and 264 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:06:51,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:06:51,808 INFO L93 Difference]: Finished difference Result 470 states and 731 transitions. [2024-11-12 04:06:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:06:51,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 04:06:51,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:06:51,816 INFO L225 Difference]: With dead ends: 470 [2024-11-12 04:06:51,816 INFO L226 Difference]: Without dead ends: 303 [2024-11-12 04:06:51,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:06:51,818 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 98 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:06:51,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 353 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:06:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-12 04:06:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-11-12 04:06:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 211 states have (on average 1.4123222748815165) internal successors, (298), 214 states have internal predecessors, (298), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 04:06:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 466 transitions. [2024-11-12 04:06:51,866 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 466 transitions. Word has length 219 [2024-11-12 04:06:51,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:06:51,866 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 466 transitions. [2024-11-12 04:06:51,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:06:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 466 transitions. [2024-11-12 04:06:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 04:06:51,870 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:06:51,871 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:06:51,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:06:51,871 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:06:51,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:06:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -474742395, now seen corresponding path program 1 times [2024-11-12 04:06:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:06:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048379293] [2024-11-12 04:06:51,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:06:51,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:06:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:07:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:07:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:07:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:07:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:07:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:07:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:07:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:07:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:07:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:07:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:07:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:07:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:07:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:07:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:07:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:07:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:07:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:07:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:07:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:07:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:07:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:07:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:07:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:07:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:07:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:07:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:07:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:07:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:07:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:07:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 04:07:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:05,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:07:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:05,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 04:07:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:05,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:07:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:07:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:07:05,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:07:05,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048379293] [2024-11-12 04:07:05,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048379293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:07:05,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:07:05,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-12 04:07:05,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521589270] [2024-11-12 04:07:05,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:07:05,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 04:07:05,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:07:05,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 04:07:05,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-12 04:07:05,234 INFO L87 Difference]: Start difference. First operand 300 states and 466 transitions. Second operand has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 04:07:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:07:15,123 INFO L93 Difference]: Finished difference Result 725 states and 1082 transitions. [2024-11-12 04:07:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-12 04:07:15,124 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 220 [2024-11-12 04:07:15,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:07:15,129 INFO L225 Difference]: With dead ends: 725 [2024-11-12 04:07:15,129 INFO L226 Difference]: Without dead ends: 723 [2024-11-12 04:07:15,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=500, Invalid=1570, Unknown=0, NotChecked=0, Total=2070 [2024-11-12 04:07:15,132 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 471 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-12 04:07:15,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1208 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-12 04:07:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-12 04:07:15,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 545. [2024-11-12 04:07:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 420 states have (on average 1.4619047619047618) internal successors, (614), 423 states have internal predecessors, (614), 118 states have call successors, (118), 6 states have call predecessors, (118), 6 states have return successors, (118), 115 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-12 04:07:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 850 transitions. [2024-11-12 04:07:15,195 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 850 transitions. Word has length 220 [2024-11-12 04:07:15,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:07:15,197 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 850 transitions. [2024-11-12 04:07:15,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 04:07:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 850 transitions. [2024-11-12 04:07:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 04:07:15,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:07:15,201 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:07:15,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:07:15,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:07:15,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:07:15,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1789304699, now seen corresponding path program 1 times [2024-11-12 04:07:15,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:07:15,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615147316] [2024-11-12 04:07:15,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:07:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:07:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat