./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.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 cad4d7b451aedc3eeb7972a3b18afdd15d9eeb92c7ee5d5c9ec843657b913929 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:55:47,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:55:47,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:55:47,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:55:47,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:55:47,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:55:47,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:55:47,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:55:47,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:55:47,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:55:47,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:55:47,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:55:47,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:55:47,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:55:47,261 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:55:47,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:55:47,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:55:47,262 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:55:47,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:55:47,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:55:47,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:55:47,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:55:47,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:55:47,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:55:47,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:55:47,264 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:55:47,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:55:47,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:55:47,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:55:47,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:55:47,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:55:47,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:55:47,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:55:47,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:55:47,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:55:47,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:55:47,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:55:47,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:55:47,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:55:47,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:55:47,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:55:47,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:55:47,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad4d7b451aedc3eeb7972a3b18afdd15d9eeb92c7ee5d5c9ec843657b913929 [2024-11-20 04:55:47,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:55:47,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:55:47,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:55:47,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:55:47,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:55:47,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-11-20 04:55:49,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:55:49,394 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:55:49,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-11-20 04:55:49,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8bd094e5/cafbcf95d648441e8de3e807e2556d53/FLAGeb7a1376c [2024-11-20 04:55:49,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8bd094e5/cafbcf95d648441e8de3e807e2556d53 [2024-11-20 04:55:49,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:55:49,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:55:49,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:55:49,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:55:49,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:55:49,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:49" (1/1) ... [2024-11-20 04:55:49,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70071353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:49, skipping insertion in model container [2024-11-20 04:55:49,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:49" (1/1) ... [2024-11-20 04:55:49,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:55:49,977 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i[919,932] [2024-11-20 04:55:50,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:55:50,108 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:55:50,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i[919,932] [2024-11-20 04:55:50,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:55:50,184 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:55:50,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50 WrapperNode [2024-11-20 04:55:50,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:55:50,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:55:50,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:55:50,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:55:50,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,259 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2024-11-20 04:55:50,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:55:50,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:55:50,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:55:50,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:55:50,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,323 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 04:55:50,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:55:50,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:55:50,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:55:50,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:55:50,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2024-11-20 04:55:50,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:55:50,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:55:50,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 04:55:50,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 04:55:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:55:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:55:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:55:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:55:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:55:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:55:50,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:55:50,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:55:51,135 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-20 04:55:51,136 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:55:51,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:55:51,150 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:55:51,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:51 BoogieIcfgContainer [2024-11-20 04:55:51,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:55:51,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:55:51,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:55:51,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:55:51,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:55:49" (1/3) ... [2024-11-20 04:55:51,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64969cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:55:51, skipping insertion in model container [2024-11-20 04:55:51,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (2/3) ... [2024-11-20 04:55:51,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64969cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:55:51, skipping insertion in model container [2024-11-20 04:55:51,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:51" (3/3) ... [2024-11-20 04:55:51,162 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-11-20 04:55:51,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:55:51,177 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:55:51,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:55:51,237 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;@38d058a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:55:51,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:55:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 04:55:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 04:55:51,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:55:51,255 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:55:51,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:55:51,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:55:51,261 INFO L85 PathProgramCache]: Analyzing trace with hash -754339355, now seen corresponding path program 1 times [2024-11-20 04:55:51,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:55:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914686655] [2024-11-20 04:55:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:55:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:55:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:55:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:55:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:55:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:55:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:55:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:55:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:55:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:55:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:55:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:55:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:55:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:55:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:55:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:55:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:55:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:55:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:55:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:55:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:55:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:55:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:55:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:55:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:55:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:55:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:55:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:55:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:55:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:55:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:55:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-20 04:55:51,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:55:51,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914686655] [2024-11-20 04:55:51,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914686655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:55:51,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:55:51,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:55:51,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742683753] [2024-11-20 04:55:51,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:55:51,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:55:51,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:55:51,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:55:51,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:55:51,843 INFO L87 Difference]: Start difference. First operand has 104 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-20 04:55:51,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:55:51,872 INFO L93 Difference]: Finished difference Result 200 states and 346 transitions. [2024-11-20 04:55:51,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:55:51,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 193 [2024-11-20 04:55:51,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:55:51,883 INFO L225 Difference]: With dead ends: 200 [2024-11-20 04:55:51,884 INFO L226 Difference]: Without dead ends: 99 [2024-11-20 04:55:51,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:55:51,891 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:55:51,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:55:51,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-20 04:55:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-20 04:55:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 68 states have internal predecessors, (94), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 04:55:51,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 152 transitions. [2024-11-20 04:55:51,937 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 152 transitions. Word has length 193 [2024-11-20 04:55:51,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:55:51,938 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 152 transitions. [2024-11-20 04:55:51,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-20 04:55:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2024-11-20 04:55:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 04:55:51,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:55:51,942 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:55:51,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:55:51,943 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:55:51,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:55:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 474028459, now seen corresponding path program 1 times [2024-11-20 04:55:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:55:51,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375504422] [2024-11-20 04:55:51,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:55:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:55:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:55:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:55:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:55:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:55:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:55:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:55:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:55:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:55:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:55:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:55:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:55:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:55:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:55:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:55:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:55:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:55:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:55:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:55:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:55:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:55:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:55:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:55:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:55:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:55:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:55:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:55:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:55:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:55:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:55:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-20 04:55:52,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:55:52,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375504422] [2024-11-20 04:55:52,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375504422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:55:52,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:55:52,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:55:52,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798813380] [2024-11-20 04:55:52,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:55:52,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:55:52,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:55:52,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:55:52,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:52,346 INFO L87 Difference]: Start difference. First operand 99 states and 152 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:55:52,425 INFO L93 Difference]: Finished difference Result 265 states and 406 transitions. [2024-11-20 04:55:52,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:55:52,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-20 04:55:52,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:55:52,433 INFO L225 Difference]: With dead ends: 265 [2024-11-20 04:55:52,434 INFO L226 Difference]: Without dead ends: 169 [2024-11-20 04:55:52,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:52,435 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 91 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:55:52,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 358 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:55:52,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-20 04:55:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2024-11-20 04:55:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 113 states have internal predecessors, (152), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 04:55:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 254 transitions. [2024-11-20 04:55:52,467 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 254 transitions. Word has length 193 [2024-11-20 04:55:52,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:55:52,468 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 254 transitions. [2024-11-20 04:55:52,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 254 transitions. [2024-11-20 04:55:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 04:55:52,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:55:52,478 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:55:52,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:55:52,479 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:55:52,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:55:52,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2045931475, now seen corresponding path program 1 times [2024-11-20 04:55:52,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:55:52,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366195212] [2024-11-20 04:55:52,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:55:52,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:55:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:55:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:55:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:55:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:55:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:55:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:55:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:55:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:55:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:55:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:55:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:55:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:55:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:55:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:55:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:55:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:55:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:55:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:55:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:55:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:55:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:55:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:55:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:55:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:55:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:55:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:55:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:55:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:55:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:55:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-20 04:55:52,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:55:52,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366195212] [2024-11-20 04:55:52,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366195212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:55:52,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:55:52,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:55:52,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417429448] [2024-11-20 04:55:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:55:52,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:55:52,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:55:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:55:52,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:52,843 INFO L87 Difference]: Start difference. First operand 166 states and 254 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:52,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:55:52,900 INFO L93 Difference]: Finished difference Result 331 states and 509 transitions. [2024-11-20 04:55:52,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:55:52,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-20 04:55:52,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:55:52,908 INFO L225 Difference]: With dead ends: 331 [2024-11-20 04:55:52,909 INFO L226 Difference]: Without dead ends: 168 [2024-11-20 04:55:52,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:52,913 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:55:52,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 297 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:55:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-20 04:55:52,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-20 04:55:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 115 states have internal predecessors, (154), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-20 04:55:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 256 transitions. [2024-11-20 04:55:52,939 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 256 transitions. Word has length 193 [2024-11-20 04:55:52,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:55:52,944 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 256 transitions. [2024-11-20 04:55:52,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2024-11-20 04:55:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-20 04:55:52,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:55:52,949 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:55:52,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:55:52,950 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:55:52,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:55:52,950 INFO L85 PathProgramCache]: Analyzing trace with hash 254891115, now seen corresponding path program 1 times [2024-11-20 04:55:52,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:55:52,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976859578] [2024-11-20 04:55:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:55:52,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:55:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:55:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:55:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:55:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:55:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:55:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:55:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:55:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:55:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:55:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:55:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:55:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:55:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:55:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:55:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:55:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:55:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:55:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:55:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:55:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:55:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:55:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:55:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:55:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:55:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:55:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:55:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:55:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:55:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:55:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-20 04:55:53,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:55:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976859578] [2024-11-20 04:55:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976859578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:55:53,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:55:53,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:55:53,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612870902] [2024-11-20 04:55:53,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:55:53,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:55:53,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:55:53,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:55:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:53,472 INFO L87 Difference]: Start difference. First operand 168 states and 256 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:55:53,559 INFO L93 Difference]: Finished difference Result 496 states and 760 transitions. [2024-11-20 04:55:53,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:55:53,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-20 04:55:53,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:55:53,564 INFO L225 Difference]: With dead ends: 496 [2024-11-20 04:55:53,564 INFO L226 Difference]: Without dead ends: 331 [2024-11-20 04:55:53,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:53,569 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 92 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:55:53,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 306 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:55:53,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-20 04:55:53,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 329. [2024-11-20 04:55:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 222 states have (on average 1.3513513513513513) internal successors, (300), 224 states have internal predecessors, (300), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 04:55:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 504 transitions. [2024-11-20 04:55:53,637 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 504 transitions. Word has length 193 [2024-11-20 04:55:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:55:53,639 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 504 transitions. [2024-11-20 04:55:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 504 transitions. [2024-11-20 04:55:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-20 04:55:53,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:55:53,642 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:55:53,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:55:53,643 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:55:53,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:55:53,643 INFO L85 PathProgramCache]: Analyzing trace with hash 46168793, now seen corresponding path program 1 times [2024-11-20 04:55:53,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:55:53,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976194201] [2024-11-20 04:55:53,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:55:53,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:55:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:55:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:55:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:55:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:55:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:55:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:55:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:55:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:55:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:55:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:55:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:55:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:55:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:55:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:55:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:55:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:55:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:55:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:55:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:55:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:55:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:55:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:55:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:55:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:55:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:55:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:55:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:55:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:55:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:55:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:55:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-20 04:55:53,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:55:53,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976194201] [2024-11-20 04:55:53,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976194201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:55:53,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:55:53,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:55:53,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251531427] [2024-11-20 04:55:53,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:55:53,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:55:53,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:55:53,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:55:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:53,870 INFO L87 Difference]: Start difference. First operand 329 states and 504 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:53,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:55:53,931 INFO L93 Difference]: Finished difference Result 655 states and 1005 transitions. [2024-11-20 04:55:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:55:53,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 194 [2024-11-20 04:55:53,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:55:53,936 INFO L225 Difference]: With dead ends: 655 [2024-11-20 04:55:53,936 INFO L226 Difference]: Without dead ends: 329 [2024-11-20 04:55:53,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:55:53,941 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:55:53,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:55:53,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-20 04:55:53,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2024-11-20 04:55:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 220 states have (on average 1.3363636363636364) internal successors, (294), 222 states have internal predecessors, (294), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 04:55:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 498 transitions. [2024-11-20 04:55:53,997 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 498 transitions. Word has length 194 [2024-11-20 04:55:54,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:55:54,000 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 498 transitions. [2024-11-20 04:55:54,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-20 04:55:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 498 transitions. [2024-11-20 04:55:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-20 04:55:54,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:55:54,004 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:55:54,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:55:54,004 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:55:54,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:55:54,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1947975913, now seen corresponding path program 1 times [2024-11-20 04:55:54,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:55:54,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199197430] [2024-11-20 04:55:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:55:54,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:55:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat