./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.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 d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:09:04,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:09:05,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 11:09:05,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:09:05,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:09:05,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:09:05,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:09:05,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:09:05,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:09:05,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:09:05,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:09:05,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:09:05,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:09:05,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:09:05,086 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:09:05,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:09:05,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:09:05,088 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:09:05,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 11:09:05,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:09:05,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:09:05,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:09:05,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:09:05,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:09:05,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:09:05,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:09:05,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:09:05,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:09:05,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:09:05,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:09:05,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:09:05,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:09:05,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:09:05,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:09:05,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:09:05,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:09:05,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 11:09:05,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 11:09:05,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:09:05,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:09:05,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:09:05,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:09:05,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc [2024-10-14 11:09:05,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:09:05,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:09:05,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:09:05,367 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:09:05,367 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:09:05,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-14 11:09:06,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:09:07,029 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:09:07,030 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-14 11:09:07,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22fc774e/ad3cdedc14454889903ac6eb38ba6b4b/FLAG22096e859 [2024-10-14 11:09:07,055 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22fc774e/ad3cdedc14454889903ac6eb38ba6b4b [2024-10-14 11:09:07,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:09:07,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:09:07,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:09:07,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:09:07,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:09:07,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0f152d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07, skipping insertion in model container [2024-10-14 11:09:07,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:09:07,238 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-14 11:09:07,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:09:07,305 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:09:07,333 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-14 11:09:07,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:09:07,376 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:09:07,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07 WrapperNode [2024-10-14 11:09:07,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:09:07,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:09:07,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:09:07,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:09:07,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,434 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-10-14 11:09:07,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:09:07,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:09:07,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:09:07,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:09:07,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,474 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 11:09:07,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:09:07,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:09:07,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:09:07,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:09:07,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2024-10-14 11:09:07,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:09:07,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:09:07,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 11:09:07,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 11:09:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:09:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:09:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:09:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 11:09:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:09:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:09:07,680 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:09:07,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:09:08,046 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 11:09:08,046 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:09:08,103 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:09:08,103 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:09:08,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:09:08 BoogieIcfgContainer [2024-10-14 11:09:08,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:09:08,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:09:08,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:09:08,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:09:08,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:09:07" (1/3) ... [2024-10-14 11:09:08,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5fb79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:09:08, skipping insertion in model container [2024-10-14 11:09:08,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (2/3) ... [2024-10-14 11:09:08,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5fb79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:09:08, skipping insertion in model container [2024-10-14 11:09:08,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:09:08" (3/3) ... [2024-10-14 11:09:08,114 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-14 11:09:08,135 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:09:08,135 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:09:08,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:09:08,223 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;@16671f08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:09:08,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:09:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:09:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-14 11:09:08,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:09:08,248 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:09:08,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:09:08,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:09:08,255 INFO L85 PathProgramCache]: Analyzing trace with hash 492354081, now seen corresponding path program 1 times [2024-10-14 11:09:08,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:09:08,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38352258] [2024-10-14 11:09:08,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:09:08,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:09:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:09:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:09:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:09:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:09:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:09:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:09:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:09:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:09:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:09:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:09:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:09:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:09:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:09:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:09:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:09:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:09:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:09:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:09:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:09:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:09:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:09:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:09:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:09:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:09:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 11:09:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 11:09:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 11:09:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 11:09:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 11:09:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 11:09:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 11:09:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:09:08,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:09:08,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38352258] [2024-10-14 11:09:08,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38352258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:09:08,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:09:08,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 11:09:08,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823212869] [2024-10-14 11:09:08,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:09:08,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 11:09:08,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:09:08,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 11:09:08,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:09:08,882 INFO L87 Difference]: Start difference. First operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 11:09:08,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:09:08,942 INFO L93 Difference]: Finished difference Result 131 states and 243 transitions. [2024-10-14 11:09:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 11:09:08,947 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 180 [2024-10-14 11:09:08,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:09:08,957 INFO L225 Difference]: With dead ends: 131 [2024-10-14 11:09:08,958 INFO L226 Difference]: Without dead ends: 65 [2024-10-14 11:09:08,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:09:08,966 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:09:08,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:09:08,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-14 11:09:09,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-14 11:09:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:09:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2024-10-14 11:09:09,018 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 180 [2024-10-14 11:09:09,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:09:09,019 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2024-10-14 11:09:09,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 11:09:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-10-14 11:09:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-14 11:09:09,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:09:09,025 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:09:09,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 11:09:09,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:09:09,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:09:09,026 INFO L85 PathProgramCache]: Analyzing trace with hash -613894813, now seen corresponding path program 1 times [2024-10-14 11:09:09,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:09:09,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827583478] [2024-10-14 11:09:09,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:09:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:09:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:09:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:09:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:09:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:09:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:09:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:09:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:09:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:09:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:09:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:09:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:09:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:09:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:09:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:09:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:09:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:09:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:09:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:09:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:09:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:09:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:09:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:09:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:09:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:09:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 11:09:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 11:09:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 11:09:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 11:09:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 11:09:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 11:09:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 11:09:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:09:25,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:09:25,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827583478] [2024-10-14 11:09:25,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827583478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:09:25,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:09:25,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 11:09:25,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469101176] [2024-10-14 11:09:25,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:09:25,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 11:09:25,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:09:25,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 11:09:25,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:09:25,705 INFO L87 Difference]: Start difference. First operand 65 states and 102 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:09:26,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:09:26,887 INFO L93 Difference]: Finished difference Result 82 states and 122 transitions. [2024-10-14 11:09:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 11:09:26,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-14 11:09:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:09:26,890 INFO L225 Difference]: With dead ends: 82 [2024-10-14 11:09:26,890 INFO L226 Difference]: Without dead ends: 80 [2024-10-14 11:09:26,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:09:26,892 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 35 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 11:09:26,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 309 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 11:09:26,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-14 11:09:26,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2024-10-14 11:09:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:09:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2024-10-14 11:09:26,904 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 180 [2024-10-14 11:09:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:09:26,906 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2024-10-14 11:09:26,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:09:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-10-14 11:09:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-14 11:09:26,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:09:26,909 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:09:26,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 11:09:26,910 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:09:26,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:09:26,911 INFO L85 PathProgramCache]: Analyzing trace with hash -556636511, now seen corresponding path program 1 times [2024-10-14 11:09:26,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:09:26,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595955102] [2024-10-14 11:09:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:09:26,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:09:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:09:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:09:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:09:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:09:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:09:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:09:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:09:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:09:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:09:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:09:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:09:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:09:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:09:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:09:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:09:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:09:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:09:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:09:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:09:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:09:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:09:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:09:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:09:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:09:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 11:09:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 11:09:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 11:09:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 11:09:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 11:09:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 11:09:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 11:09:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:09:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:09:46,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:09:46,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595955102] [2024-10-14 11:09:46,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595955102] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:09:46,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:09:46,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 11:09:46,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907958090] [2024-10-14 11:09:46,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:09:46,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 11:09:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:09:46,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 11:09:46,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:09:46,694 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:09:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:09:48,832 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2024-10-14 11:09:48,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 11:09:48,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-14 11:09:48,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:09:48,835 INFO L225 Difference]: With dead ends: 76 [2024-10-14 11:09:48,835 INFO L226 Difference]: Without dead ends: 74 [2024-10-14 11:09:48,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:09:48,837 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 17 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 11:09:48,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 337 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 11:09:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-14 11:09:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2024-10-14 11:09:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:09:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-14 11:09:48,856 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 180 [2024-10-14 11:09:48,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:09:48,857 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-14 11:09:48,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:09:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-14 11:09:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-14 11:09:48,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:09:48,861 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:09:48,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 11:09:48,862 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:09:48,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:09:48,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1866691872, now seen corresponding path program 1 times [2024-10-14 11:09:48,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:09:48,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613346532] [2024-10-14 11:09:48,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:09:48,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:09:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:10:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:10:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:10:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:10:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:10:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:10:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:10:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:10:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:10:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:10:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:10:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:10:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:10:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:10:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:10:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:10:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:10:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:10:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:10:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:10:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:10:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:10:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:10:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:10:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 11:10:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 11:10:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 11:10:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 11:10:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 11:10:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 11:10:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 11:10:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:10:13,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:10:13,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613346532] [2024-10-14 11:10:13,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613346532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:10:13,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:10:13,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 11:10:13,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486523210] [2024-10-14 11:10:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:10:13,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 11:10:13,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:10:13,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 11:10:13,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:10:13,589 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:10:15,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:10:15,418 INFO L93 Difference]: Finished difference Result 75 states and 112 transitions. [2024-10-14 11:10:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 11:10:15,419 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 181 [2024-10-14 11:10:15,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:10:15,421 INFO L225 Difference]: With dead ends: 75 [2024-10-14 11:10:15,421 INFO L226 Difference]: Without dead ends: 73 [2024-10-14 11:10:15,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:10:15,423 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 46 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 11:10:15,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 324 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 11:10:15,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-14 11:10:15,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-10-14 11:10:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:10:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-14 11:10:15,434 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 181 [2024-10-14 11:10:15,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:10:15,435 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-14 11:10:15,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:10:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-14 11:10:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 11:10:15,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:10:15,437 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:10:15,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 11:10:15,437 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:10:15,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:10:15,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2043302866, now seen corresponding path program 1 times [2024-10-14 11:10:15,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:10:15,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331226668] [2024-10-14 11:10:15,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:10:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:10:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:10:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:10:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:10:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:10:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:10:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:10:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:10:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:10:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:10:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:10:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:10:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:10:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:10:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:10:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:10:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:10:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:10:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:10:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:10:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:10:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:10:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:10:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:10:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:10:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 11:10:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 11:10:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 11:10:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 11:10:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 11:10:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 11:10:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 11:10:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:10:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:10:37,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:10:37,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331226668] [2024-10-14 11:10:37,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331226668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:10:37,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:10:37,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 11:10:37,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501288064] [2024-10-14 11:10:37,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:10:37,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 11:10:37,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:10:37,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 11:10:37,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:10:37,186 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:10:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:10:37,982 INFO L93 Difference]: Finished difference Result 78 states and 115 transitions. [2024-10-14 11:10:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 11:10:37,982 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-14 11:10:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:10:37,984 INFO L225 Difference]: With dead ends: 78 [2024-10-14 11:10:37,984 INFO L226 Difference]: Without dead ends: 76 [2024-10-14 11:10:37,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:10:37,985 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 21 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 11:10:37,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 286 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 11:10:37,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-14 11:10:37,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2024-10-14 11:10:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:10:37,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-14 11:10:37,995 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 182 [2024-10-14 11:10:37,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:10:37,996 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-14 11:10:37,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:10:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-14 11:10:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 11:10:37,998 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:10:37,998 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:10:37,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 11:10:37,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:10:37,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:10:37,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2043243284, now seen corresponding path program 1 times [2024-10-14 11:10:37,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:10:38,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844845737] [2024-10-14 11:10:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:10:38,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:10:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat