./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_loopvsstraightlinecode_100-1loop_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 11:08:57,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 11:08:57,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 11:08:57,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 11:08:57,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 11:08:57,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 11:08:57,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 11:08:57,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 11:08:57,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 11:08:57,431 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 11:08:57,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 11:08:57,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 11:08:57,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 11:08:57,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 11:08:57,434 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 11:08:57,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 11:08:57,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 11:08:57,435 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 11:08:57,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 11:08:57,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 11:08:57,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 11:08:57,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 11:08:57,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 11:08:57,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 11:08:57,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 11:08:57,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 11:08:57,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 11:08:57,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 11:08:57,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 11:08:57,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 11:08:57,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 11:08:57,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 11:08:57,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:08:57,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 11:08:57,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 11:08:57,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 11:08:57,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 11:08:57,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 11:08:57,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 11:08:57,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 11:08:57,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 11:08:57,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 11:08:57,449 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 [2024-10-11 11:08:57,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 11:08:57,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 11:08:57,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 11:08:57,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 11:08:57,746 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 11:08:57,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-10-11 11:08:59,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 11:08:59,426 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 11:08:59,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-10-11 11:08:59,434 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3ae21c97d/fc644dee9be4450e8406d0cfab8c549f/FLAG3112f380c [2024-10-11 11:08:59,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3ae21c97d/fc644dee9be4450e8406d0cfab8c549f [2024-10-11 11:08:59,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 11:08:59,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 11:08:59,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 11:08:59,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 11:08:59,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 11:08:59,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:08:59" (1/1) ... [2024-10-11 11:08:59,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c975e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:59, skipping insertion in model container [2024-10-11 11:08:59,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:08:59" (1/1) ... [2024-10-11 11:08:59,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 11:09:00,001 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-10-11 11:09:00,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:09:00,184 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 11:09:00,205 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-10-11 11:09:00,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:09:00,258 INFO L204 MainTranslator]: Completed translation [2024-10-11 11:09:00,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00 WrapperNode [2024-10-11 11:09:00,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 11:09:00,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 11:09:00,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 11:09:00,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 11:09:00,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,326 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 395 [2024-10-11 11:09:00,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 11:09:00,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 11:09:00,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 11:09:00,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 11:09:00,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,377 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 11:09:00,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 11:09:00,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 11:09:00,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 11:09:00,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 11:09:00,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (1/1) ... [2024-10-11 11:09:00,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:09:00,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:09:00,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 11:09:00,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 11:09:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 11:09:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 11:09:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 11:09:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 11:09:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 11:09:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 11:09:00,642 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 11:09:00,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 11:09:01,167 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-10-11 11:09:01,168 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 11:09:01,205 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 11:09:01,206 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 11:09:01,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:01 BoogieIcfgContainer [2024-10-11 11:09:01,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 11:09:01,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 11:09:01,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 11:09:01,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 11:09:01,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:08:59" (1/3) ... [2024-10-11 11:09:01,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9dd301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:09:01, skipping insertion in model container [2024-10-11 11:09:01,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:09:00" (2/3) ... [2024-10-11 11:09:01,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9dd301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:09:01, skipping insertion in model container [2024-10-11 11:09:01,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:09:01" (3/3) ... [2024-10-11 11:09:01,217 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-10-11 11:09:01,232 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 11:09:01,232 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 11:09:01,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 11:09:01,325 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;@403afc73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 11:09:01,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 11:09:01,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 114 states have (on average 1.4824561403508771) internal successors, (169), 115 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 11:09:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-11 11:09:01,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:01,363 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:01,364 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:01,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:01,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1258796444, now seen corresponding path program 1 times [2024-10-11 11:09:01,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:01,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51326433] [2024-10-11 11:09:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-11 11:09:02,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:02,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51326433] [2024-10-11 11:09:02,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51326433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:09:02,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:09:02,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 11:09:02,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686382966] [2024-10-11 11:09:02,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:09:02,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 11:09:02,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:02,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 11:09:02,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:09:02,033 INFO L87 Difference]: Start difference. First operand has 157 states, 114 states have (on average 1.4824561403508771) internal successors, (169), 115 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-11 11:09:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:02,103 INFO L93 Difference]: Finished difference Result 313 states and 537 transitions. [2024-10-11 11:09:02,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 11:09:02,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 265 [2024-10-11 11:09:02,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:02,117 INFO L225 Difference]: With dead ends: 313 [2024-10-11 11:09:02,117 INFO L226 Difference]: Without dead ends: 155 [2024-10-11 11:09:02,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:09:02,128 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:02,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:09:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-11 11:09:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-10-11 11:09:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 113 states have (on average 1.4513274336283186) internal successors, (164), 113 states have internal predecessors, (164), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 11:09:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2024-10-11 11:09:02,184 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 265 [2024-10-11 11:09:02,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:02,185 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2024-10-11 11:09:02,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-11 11:09:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2024-10-11 11:09:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-11 11:09:02,189 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:02,189 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:02,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 11:09:02,189 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:02,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:02,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1672312544, now seen corresponding path program 1 times [2024-10-11 11:09:02,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:02,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552954641] [2024-10-11 11:09:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:02,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-11 11:09:02,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:02,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552954641] [2024-10-11 11:09:02,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552954641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:09:02,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:09:02,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 11:09:02,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499736603] [2024-10-11 11:09:02,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:09:02,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 11:09:02,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:02,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 11:09:02,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 11:09:02,836 INFO L87 Difference]: Start difference. First operand 155 states and 244 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:02,887 INFO L93 Difference]: Finished difference Result 309 states and 487 transitions. [2024-10-11 11:09:02,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 11:09:02,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 265 [2024-10-11 11:09:02,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:02,890 INFO L225 Difference]: With dead ends: 309 [2024-10-11 11:09:02,892 INFO L226 Difference]: Without dead ends: 155 [2024-10-11 11:09:02,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 11:09:02,895 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:02,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 473 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:09:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-11 11:09:02,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-10-11 11:09:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 113 states have (on average 1.4424778761061947) internal successors, (163), 113 states have internal predecessors, (163), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 11:09:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 243 transitions. [2024-10-11 11:09:02,908 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 243 transitions. Word has length 265 [2024-10-11 11:09:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:02,909 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 243 transitions. [2024-10-11 11:09:02,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 243 transitions. [2024-10-11 11:09:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-11 11:09:02,918 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:02,918 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:02,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 11:09:02,920 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:02,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:02,920 INFO L85 PathProgramCache]: Analyzing trace with hash 828307042, now seen corresponding path program 1 times [2024-10-11 11:09:02,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:02,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652479350] [2024-10-11 11:09:02,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-11 11:09:05,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:05,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652479350] [2024-10-11 11:09:05,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652479350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:09:05,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:09:05,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 11:09:05,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23304960] [2024-10-11 11:09:05,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:09:05,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 11:09:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:05,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 11:09:05,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 11:09:05,032 INFO L87 Difference]: Start difference. First operand 155 states and 243 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:06,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:06,071 INFO L93 Difference]: Finished difference Result 467 states and 723 transitions. [2024-10-11 11:09:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 11:09:06,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 265 [2024-10-11 11:09:06,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:06,074 INFO L225 Difference]: With dead ends: 467 [2024-10-11 11:09:06,074 INFO L226 Difference]: Without dead ends: 313 [2024-10-11 11:09:06,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 11:09:06,080 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 794 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:06,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 561 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 11:09:06,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-11 11:09:06,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 290. [2024-10-11 11:09:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 244 states have (on average 1.4877049180327868) internal successors, (363), 245 states have internal predecessors, (363), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-11 11:09:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 449 transitions. [2024-10-11 11:09:06,129 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 449 transitions. Word has length 265 [2024-10-11 11:09:06,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:06,130 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 449 transitions. [2024-10-11 11:09:06,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 449 transitions. [2024-10-11 11:09:06,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-11 11:09:06,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:06,141 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:06,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 11:09:06,142 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:06,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:06,142 INFO L85 PathProgramCache]: Analyzing trace with hash -192761312, now seen corresponding path program 1 times [2024-10-11 11:09:06,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:06,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134621945] [2024-10-11 11:09:06,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:06,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:06,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:06,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134621945] [2024-10-11 11:09:06,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134621945] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:09:06,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983177439] [2024-10-11 11:09:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:06,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:06,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:09:06,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:09:06,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 11:09:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:06,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 11:09:06,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:09:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-10-11 11:09:07,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:09:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-10-11 11:09:08,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983177439] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:09:08,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:09:08,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-10-11 11:09:08,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302398329] [2024-10-11 11:09:08,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:09:08,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 11:09:08,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:08,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 11:09:08,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-11 11:09:08,156 INFO L87 Difference]: Start difference. First operand 290 states and 449 transitions. Second operand has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-10-11 11:09:08,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:08,643 INFO L93 Difference]: Finished difference Result 543 states and 833 transitions. [2024-10-11 11:09:08,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 11:09:08,643 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 265 [2024-10-11 11:09:08,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:08,649 INFO L225 Difference]: With dead ends: 543 [2024-10-11 11:09:08,650 INFO L226 Difference]: Without dead ends: 254 [2024-10-11 11:09:08,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-10-11 11:09:08,653 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 651 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:08,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 359 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 11:09:08,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-11 11:09:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2024-10-11 11:09:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 203 states have (on average 1.3694581280788178) internal successors, (278), 204 states have internal predecessors, (278), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-11 11:09:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 364 transitions. [2024-10-11 11:09:08,691 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 364 transitions. Word has length 265 [2024-10-11 11:09:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:08,692 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 364 transitions. [2024-10-11 11:09:08,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-10-11 11:09:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 364 transitions. [2024-10-11 11:09:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 11:09:08,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:08,697 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:08,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 11:09:08,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:08,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:08,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:08,902 INFO L85 PathProgramCache]: Analyzing trace with hash 597417830, now seen corresponding path program 1 times [2024-10-11 11:09:08,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:08,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113065863] [2024-10-11 11:09:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-11 11:09:16,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:16,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113065863] [2024-10-11 11:09:16,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113065863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:09:16,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:09:16,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 11:09:16,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056322247] [2024-10-11 11:09:16,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:09:16,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 11:09:16,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:16,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 11:09:16,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-11 11:09:16,962 INFO L87 Difference]: Start difference. First operand 252 states and 364 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-11 11:09:20,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:20,813 INFO L93 Difference]: Finished difference Result 1005 states and 1427 transitions. [2024-10-11 11:09:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 11:09:20,814 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 267 [2024-10-11 11:09:20,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:20,825 INFO L225 Difference]: With dead ends: 1005 [2024-10-11 11:09:20,825 INFO L226 Difference]: Without dead ends: 754 [2024-10-11 11:09:20,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-10-11 11:09:20,830 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1931 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:20,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 1069 Invalid, 1896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1668 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-11 11:09:20,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-10-11 11:09:20,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 548. [2024-10-11 11:09:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 461 states have (on average 1.3926247288503253) internal successors, (642), 464 states have internal predecessors, (642), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-11 11:09:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 794 transitions. [2024-10-11 11:09:20,936 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 794 transitions. Word has length 267 [2024-10-11 11:09:20,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:20,942 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 794 transitions. [2024-10-11 11:09:20,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-11 11:09:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 794 transitions. [2024-10-11 11:09:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 11:09:20,950 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:20,951 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:20,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 11:09:20,951 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:20,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:20,952 INFO L85 PathProgramCache]: Analyzing trace with hash -413699420, now seen corresponding path program 1 times [2024-10-11 11:09:20,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:20,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208942321] [2024-10-11 11:09:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:20,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-11 11:09:21,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:21,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208942321] [2024-10-11 11:09:21,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208942321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:09:21,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:09:21,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 11:09:21,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794500588] [2024-10-11 11:09:21,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:09:21,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 11:09:21,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:21,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 11:09:21,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 11:09:21,987 INFO L87 Difference]: Start difference. First operand 548 states and 794 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:23,511 INFO L93 Difference]: Finished difference Result 1403 states and 2036 transitions. [2024-10-11 11:09:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 11:09:23,513 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 267 [2024-10-11 11:09:23,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:23,518 INFO L225 Difference]: With dead ends: 1403 [2024-10-11 11:09:23,518 INFO L226 Difference]: Without dead ends: 856 [2024-10-11 11:09:23,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-11 11:09:23,521 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1040 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:23,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 694 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 11:09:23,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-10-11 11:09:23,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 580. [2024-10-11 11:09:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 493 states have (on average 1.4056795131845843) internal successors, (693), 496 states have internal predecessors, (693), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-11 11:09:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 845 transitions. [2024-10-11 11:09:23,576 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 845 transitions. Word has length 267 [2024-10-11 11:09:23,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:23,579 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 845 transitions. [2024-10-11 11:09:23,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 845 transitions. [2024-10-11 11:09:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 11:09:23,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:23,584 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:23,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 11:09:23,585 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:23,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:23,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1434767774, now seen corresponding path program 1 times [2024-10-11 11:09:23,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:23,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387821344] [2024-10-11 11:09:23,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:23,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:24,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:24,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387821344] [2024-10-11 11:09:24,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387821344] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:09:24,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172138753] [2024-10-11 11:09:24,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:24,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:24,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:09:24,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:09:24,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 11:09:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:24,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 11:09:24,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:09:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-10-11 11:09:24,447 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:09:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:24,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172138753] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:09:24,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:09:24,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-11 11:09:24,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272051870] [2024-10-11 11:09:24,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:09:24,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 11:09:24,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:24,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 11:09:24,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-10-11 11:09:24,663 INFO L87 Difference]: Start difference. First operand 580 states and 845 transitions. Second operand has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2024-10-11 11:09:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:25,217 INFO L93 Difference]: Finished difference Result 1196 states and 1732 transitions. [2024-10-11 11:09:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 11:09:25,218 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 267 [2024-10-11 11:09:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:25,222 INFO L225 Difference]: With dead ends: 1196 [2024-10-11 11:09:25,222 INFO L226 Difference]: Without dead ends: 617 [2024-10-11 11:09:25,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 607 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-10-11 11:09:25,224 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 180 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:25,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 590 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 11:09:25,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-10-11 11:09:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 601. [2024-10-11 11:09:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 510 states have (on average 1.392156862745098) internal successors, (710), 513 states have internal predecessors, (710), 76 states have call successors, (76), 14 states have call predecessors, (76), 14 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-11 11:09:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 862 transitions. [2024-10-11 11:09:25,287 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 862 transitions. Word has length 267 [2024-10-11 11:09:25,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:25,288 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 862 transitions. [2024-10-11 11:09:25,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2024-10-11 11:09:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 862 transitions. [2024-10-11 11:09:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-11 11:09:25,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:25,290 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:25,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 11:09:25,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:25,491 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:25,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:25,492 INFO L85 PathProgramCache]: Analyzing trace with hash -710665516, now seen corresponding path program 1 times [2024-10-11 11:09:25,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:25,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853390421] [2024-10-11 11:09:25,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:25,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:26,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:26,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853390421] [2024-10-11 11:09:26,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853390421] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:09:26,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573093182] [2024-10-11 11:09:26,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:26,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:26,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:09:26,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:09:26,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 11:09:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:26,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 11:09:26,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:09:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-10-11 11:09:26,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:09:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:27,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573093182] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:09:27,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:09:27,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-10-11 11:09:27,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269973897] [2024-10-11 11:09:27,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:09:27,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 11:09:27,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:27,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 11:09:27,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-11 11:09:27,143 INFO L87 Difference]: Start difference. First operand 601 states and 862 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 13 states have internal predecessors, (158), 5 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-10-11 11:09:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:28,018 INFO L93 Difference]: Finished difference Result 1222 states and 1754 transitions. [2024-10-11 11:09:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 11:09:28,019 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 13 states have internal predecessors, (158), 5 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) Word has length 268 [2024-10-11 11:09:28,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:28,026 INFO L225 Difference]: With dead ends: 1222 [2024-10-11 11:09:28,027 INFO L226 Difference]: Without dead ends: 622 [2024-10-11 11:09:28,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-10-11 11:09:28,029 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 398 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:28,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 686 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 11:09:28,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-11 11:09:28,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 611. [2024-10-11 11:09:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 520 states have (on average 1.3846153846153846) internal successors, (720), 523 states have internal predecessors, (720), 76 states have call successors, (76), 14 states have call predecessors, (76), 14 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-11 11:09:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 872 transitions. [2024-10-11 11:09:28,087 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 872 transitions. Word has length 268 [2024-10-11 11:09:28,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:28,088 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 872 transitions. [2024-10-11 11:09:28,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 13 states have internal predecessors, (158), 5 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-10-11 11:09:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 872 transitions. [2024-10-11 11:09:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-11 11:09:28,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:28,091 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:28,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 11:09:28,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:28,295 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:28,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:28,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1357298514, now seen corresponding path program 1 times [2024-10-11 11:09:28,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:28,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136255210] [2024-10-11 11:09:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:28,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:28,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:28,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136255210] [2024-10-11 11:09:28,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136255210] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:09:28,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129635552] [2024-10-11 11:09:28,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:28,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:09:28,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:09:28,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 11:09:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:29,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 11:09:29,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:09:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1190 proven. 48 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2024-10-11 11:09:29,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:09:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:29,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129635552] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:09:29,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:09:29,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 15 [2024-10-11 11:09:29,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613003635] [2024-10-11 11:09:29,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:09:29,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 11:09:29,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:29,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 11:09:29,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-10-11 11:09:29,666 INFO L87 Difference]: Start difference. First operand 611 states and 872 transitions. Second operand has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-10-11 11:09:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:31,167 INFO L93 Difference]: Finished difference Result 1545 states and 2174 transitions. [2024-10-11 11:09:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-11 11:09:31,168 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 268 [2024-10-11 11:09:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:31,173 INFO L225 Difference]: With dead ends: 1545 [2024-10-11 11:09:31,173 INFO L226 Difference]: Without dead ends: 935 [2024-10-11 11:09:31,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 611 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 11:09:31,176 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 747 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:31,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 1429 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 11:09:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2024-10-11 11:09:31,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 609. [2024-10-11 11:09:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 483 states have (on average 1.339544513457557) internal successors, (647), 487 states have internal predecessors, (647), 104 states have call successors, (104), 21 states have call predecessors, (104), 21 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-11 11:09:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 855 transitions. [2024-10-11 11:09:31,257 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 855 transitions. Word has length 268 [2024-10-11 11:09:31,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:31,257 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 855 transitions. [2024-10-11 11:09:31,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.333333333333333) internal successors, (110), 15 states have internal predecessors, (110), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-10-11 11:09:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 855 transitions. [2024-10-11 11:09:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-11 11:09:31,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:31,259 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:31,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 11:09:31,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 11:09:31,460 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:31,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:31,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1894355816, now seen corresponding path program 1 times [2024-10-11 11:09:31,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:31,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315585901] [2024-10-11 11:09:31,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:31,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-11 11:09:46,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:46,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315585901] [2024-10-11 11:09:46,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315585901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:09:46,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:09:46,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 11:09:46,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26002295] [2024-10-11 11:09:46,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:09:46,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 11:09:46,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:46,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 11:09:46,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-11 11:09:46,081 INFO L87 Difference]: Start difference. First operand 609 states and 855 transitions. Second operand has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:55,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:55,355 INFO L93 Difference]: Finished difference Result 2742 states and 3800 transitions. [2024-10-11 11:09:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 11:09:55,357 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-10-11 11:09:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:55,380 INFO L225 Difference]: With dead ends: 2742 [2024-10-11 11:09:55,381 INFO L226 Difference]: Without dead ends: 2197 [2024-10-11 11:09:55,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2024-10-11 11:09:55,387 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1429 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:55,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 1359 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2024-10-11 11:09:55,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2024-10-11 11:09:55,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 1283. [2024-10-11 11:09:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 1073 states have (on average 1.3634669151910532) internal successors, (1463), 1083 states have internal predecessors, (1463), 170 states have call successors, (170), 39 states have call predecessors, (170), 39 states have return successors, (170), 160 states have call predecessors, (170), 170 states have call successors, (170) [2024-10-11 11:09:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1803 transitions. [2024-10-11 11:09:55,722 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1803 transitions. Word has length 269 [2024-10-11 11:09:55,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:09:55,722 INFO L471 AbstractCegarLoop]: Abstraction has 1283 states and 1803 transitions. [2024-10-11 11:09:55,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:09:55,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1803 transitions. [2024-10-11 11:09:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-11 11:09:55,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:09:55,726 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:09:55,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 11:09:55,726 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:09:55,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:09:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash 883238566, now seen corresponding path program 1 times [2024-10-11 11:09:55,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:09:55,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906082646] [2024-10-11 11:09:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:09:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:09:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:09:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:09:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:09:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:09:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:09:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:09:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:09:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:09:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:09:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:09:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:09:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:09:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:09:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:09:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:09:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:09:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:09:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:09:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:09:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:09:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:09:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:09:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:09:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:09:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:09:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:09:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:09:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:09:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:09:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:09:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:09:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:09:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:09:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:09:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:09:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:09:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:09:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:09:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:09:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:09:56,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:09:56,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906082646] [2024-10-11 11:09:56,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906082646] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:09:56,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719520461] [2024-10-11 11:09:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:09:56,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:09:56,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:09:56,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:09:56,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 11:09:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:09:56,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 11:09:56,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:09:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2015 proven. 180 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2024-10-11 11:09:57,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:09:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-10-11 11:09:57,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719520461] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:09:57,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:09:57,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12, 12] total 24 [2024-10-11 11:09:57,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927670671] [2024-10-11 11:09:57,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:09:57,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 11:09:57,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:09:57,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 11:09:57,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-11 11:09:57,973 INFO L87 Difference]: Start difference. First operand 1283 states and 1803 transitions. Second operand has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 22 states have internal predecessors, (157), 9 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 9 states have call predecessors, (109), 9 states have call successors, (109) [2024-10-11 11:09:59,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:09:59,927 INFO L93 Difference]: Finished difference Result 2748 states and 3840 transitions. [2024-10-11 11:09:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-11 11:09:59,928 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 22 states have internal predecessors, (157), 9 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 9 states have call predecessors, (109), 9 states have call successors, (109) Word has length 269 [2024-10-11 11:09:59,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:09:59,934 INFO L225 Difference]: With dead ends: 2748 [2024-10-11 11:09:59,934 INFO L226 Difference]: Without dead ends: 1529 [2024-10-11 11:09:59,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=830, Invalid=1822, Unknown=0, NotChecked=0, Total=2652 [2024-10-11 11:09:59,938 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 1789 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:09:59,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 978 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 11:09:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-10-11 11:10:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 829. [2024-10-11 11:10:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 731 states have (on average 1.3830369357045145) internal successors, (1011), 735 states have internal predecessors, (1011), 74 states have call successors, (74), 23 states have call predecessors, (74), 23 states have return successors, (74), 70 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 11:10:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1159 transitions. [2024-10-11 11:10:00,057 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1159 transitions. Word has length 269 [2024-10-11 11:10:00,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:10:00,057 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1159 transitions. [2024-10-11 11:10:00,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 22 states have internal predecessors, (157), 9 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 9 states have call predecessors, (109), 9 states have call successors, (109) [2024-10-11 11:10:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1159 transitions. [2024-10-11 11:10:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-11 11:10:00,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:10:00,062 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:10:00,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 11:10:00,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 11:10:00,264 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:10:00,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:10:00,264 INFO L85 PathProgramCache]: Analyzing trace with hash -274474563, now seen corresponding path program 1 times [2024-10-11 11:10:00,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:10:00,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908070655] [2024-10-11 11:10:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:10:00,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:10:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:10:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:10:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:10:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:10:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:10:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:10:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:10:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:10:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:10:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:10:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:10:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:10:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:10:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:10:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:10:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:10:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:10:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:10:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:10:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:10:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:10:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:10:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:10:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:10:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:10:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:10:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:10:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:10:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:10:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:10:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:10:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:10:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:10:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:10:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:10:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:10:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:10:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:10:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:10:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:10:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-11 11:10:03,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:10:03,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908070655] [2024-10-11 11:10:03,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908070655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:10:03,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:10:03,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 11:10:03,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006486957] [2024-10-11 11:10:03,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:10:03,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 11:10:03,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:10:03,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 11:10:03,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 11:10:03,376 INFO L87 Difference]: Start difference. First operand 829 states and 1159 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:10:05,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:10:05,683 INFO L93 Difference]: Finished difference Result 2093 states and 2922 transitions. [2024-10-11 11:10:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 11:10:05,687 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-10-11 11:10:05,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:10:05,693 INFO L225 Difference]: With dead ends: 2093 [2024-10-11 11:10:05,693 INFO L226 Difference]: Without dead ends: 1295 [2024-10-11 11:10:05,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-10-11 11:10:05,696 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 986 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 11:10:05,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 721 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 11:10:05,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-10-11 11:10:05,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 889. [2024-10-11 11:10:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 791 states have (on average 1.384323640960809) internal successors, (1095), 795 states have internal predecessors, (1095), 74 states have call successors, (74), 23 states have call predecessors, (74), 23 states have return successors, (74), 70 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 11:10:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1243 transitions. [2024-10-11 11:10:05,878 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1243 transitions. Word has length 269 [2024-10-11 11:10:05,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:10:05,879 INFO L471 AbstractCegarLoop]: Abstraction has 889 states and 1243 transitions. [2024-10-11 11:10:05,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 11:10:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1243 transitions. [2024-10-11 11:10:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-11 11:10:05,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:10:05,883 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:10:05,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 11:10:05,883 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:10:05,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:10:05,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1285591813, now seen corresponding path program 1 times [2024-10-11 11:10:05,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:10:05,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517102411] [2024-10-11 11:10:05,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:10:05,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:10:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:10:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 11:10:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 11:10:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 11:10:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 11:10:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 11:10:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 11:10:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 11:10:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 11:10:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 11:10:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 11:10:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 11:10:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 11:10:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 11:10:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:10:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:10:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:10:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:10:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:10:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:10:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:10:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:10:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:10:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:10:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:10:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 11:10:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:10:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 11:10:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:10:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 11:10:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:10:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 11:10:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 11:10:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 11:10:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 11:10:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 11:10:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 11:10:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 11:10:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 11:10:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 11:10:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-11 11:10:07,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:10:07,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517102411] [2024-10-11 11:10:07,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517102411] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:10:07,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931176031] [2024-10-11 11:10:07,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:10:07,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:10:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:10:07,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:10:07,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 11:10:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:10:07,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 11:10:07,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:10:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1583 proven. 288 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2024-10-11 11:10:09,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:10:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 120 proven. 222 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-10-11 11:10:09,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931176031] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:10:09,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:10:09,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 17, 14] total 33 [2024-10-11 11:10:09,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592407763] [2024-10-11 11:10:09,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:10:09,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-11 11:10:09,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:10:09,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-11 11:10:09,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=872, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 11:10:09,903 INFO L87 Difference]: Start difference. First operand 889 states and 1243 transitions. Second operand has 33 states, 32 states have (on average 6.0) internal successors, (192), 30 states have internal predecessors, (192), 10 states have call successors, (108), 5 states have call predecessors, (108), 10 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) [2024-10-11 11:10:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:10:20,045 INFO L93 Difference]: Finished difference Result 3755 states and 5203 transitions. [2024-10-11 11:10:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-10-11 11:10:20,045 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 6.0) internal successors, (192), 30 states have internal predecessors, (192), 10 states have call successors, (108), 5 states have call predecessors, (108), 10 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) Word has length 269 [2024-10-11 11:10:20,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:10:20,069 INFO L225 Difference]: With dead ends: 3755 [2024-10-11 11:10:20,069 INFO L226 Difference]: Without dead ends: 2889 [2024-10-11 11:10:20,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6215 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=3636, Invalid=14996, Unknown=0, NotChecked=0, Total=18632 [2024-10-11 11:10:20,085 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 5144 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 1171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5144 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 4114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1171 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 11:10:20,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5144 Valid, 1603 Invalid, 4114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1171 Valid, 2943 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 11:10:20,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2889 states. [2024-10-11 11:10:20,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2889 to 883. [2024-10-11 11:10:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 757 states have (on average 1.3513870541611626) internal successors, (1023), 759 states have internal predecessors, (1023), 94 states have call successors, (94), 31 states have call predecessors, (94), 31 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-11 11:10:20,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1211 transitions. [2024-10-11 11:10:20,627 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1211 transitions. Word has length 269 [2024-10-11 11:10:20,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:10:20,628 INFO L471 AbstractCegarLoop]: Abstraction has 883 states and 1211 transitions. [2024-10-11 11:10:20,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 6.0) internal successors, (192), 30 states have internal predecessors, (192), 10 states have call successors, (108), 5 states have call predecessors, (108), 10 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) [2024-10-11 11:10:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1211 transitions. [2024-10-11 11:10:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-10-11 11:10:20,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:10:20,634 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:10:20,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 11:10:20,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 11:10:20,838 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:10:20,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:10:20,838 INFO L85 PathProgramCache]: Analyzing trace with hash 252789891, now seen corresponding path program 1 times [2024-10-11 11:10:20,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:10:20,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161990174] [2024-10-11 11:10:20,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:10:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:10:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat