./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f82b1bd76fed9dc2b7576bdbecd15d72b4daeed5c8799ebaded7a999f084df22 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:25:31,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:31,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:25:31,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:25:31,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:25:32,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:32,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:25:32,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:25:32,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:25:32,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:25:32,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:32,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:25:32,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:32,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:32,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:25:32,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:32,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:32,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:25:32,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:25:32,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:25:32,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:32,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:32,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:32,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:32,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:32,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:25:32,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:32,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:32,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:32,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:25:32,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:25:32,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:25:32,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:25:32,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:32,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:32,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:32,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:25:32,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:25:32,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:25:32,030 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:25:32,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:25:32,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:25:32,031 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f82b1bd76fed9dc2b7576bdbecd15d72b4daeed5c8799ebaded7a999f084df22 [2024-11-08 23:25:32,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:32,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:32,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:32,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:32,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:32,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-08 23:25:33,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:33,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:33,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-08 23:25:33,616 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd79fc6d/9c5fcaeb821e4879be9ad2242ed814ed/FLAG1e8058467 [2024-11-08 23:25:34,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd79fc6d/9c5fcaeb821e4879be9ad2242ed814ed [2024-11-08 23:25:34,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:34,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:34,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:34,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:34,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:34,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e80cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34, skipping insertion in model container [2024-11-08 23:25:34,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:34,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i[916,929] [2024-11-08 23:25:34,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:34,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:34,302 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i[916,929] [2024-11-08 23:25:34,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:34,353 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:34,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34 WrapperNode [2024-11-08 23:25:34,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:34,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:34,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:34,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:34,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,404 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2024-11-08 23:25:34,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:34,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:34,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:34,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:34,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,436 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 23:25:34,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:34,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:34,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:34,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:34,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (1/1) ... [2024-11-08 23:25:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:25:34,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:25:34,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:34,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:25:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:25:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:25:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:34,620 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:34,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:34,977 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-08 23:25:34,978 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:34,990 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:25:34,991 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:25:34,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:34 BoogieIcfgContainer [2024-11-08 23:25:34,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:25:34,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:25:34,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:25:34,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:25:34,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:25:34" (1/3) ... [2024-11-08 23:25:34,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f75752c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:25:34, skipping insertion in model container [2024-11-08 23:25:34,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:34" (2/3) ... [2024-11-08 23:25:34,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f75752c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:25:34, skipping insertion in model container [2024-11-08 23:25:34,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:34" (3/3) ... [2024-11-08 23:25:34,999 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-08 23:25:35,011 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:25:35,013 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:25:35,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:25:35,073 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;@1ce470c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:25:35,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:25:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 23:25:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-08 23:25:35,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:35,099 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:35,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:35,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:35,105 INFO L85 PathProgramCache]: Analyzing trace with hash 511854322, now seen corresponding path program 1 times [2024-11-08 23:25:35,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:35,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401681185] [2024-11-08 23:25:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:35,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:35,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:35,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401681185] [2024-11-08 23:25:35,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401681185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:35,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:35,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:25:35,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881435264] [2024-11-08 23:25:35,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:35,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:25:35,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:35,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:25:35,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:25:35,791 INFO L87 Difference]: Start difference. First operand has 118 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:35,894 INFO L93 Difference]: Finished difference Result 334 states and 601 transitions. [2024-11-08 23:25:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:25:35,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-08 23:25:35,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:35,906 INFO L225 Difference]: With dead ends: 334 [2024-11-08 23:25:35,906 INFO L226 Difference]: Without dead ends: 211 [2024-11-08 23:25:35,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:25:35,914 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 165 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:35,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 425 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:25:35,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-08 23:25:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 126. [2024-11-08 23:25:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 23:25:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2024-11-08 23:25:35,976 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 238 [2024-11-08 23:25:35,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:35,977 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2024-11-08 23:25:35,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:35,978 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2024-11-08 23:25:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-08 23:25:35,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:35,983 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:35,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:25:35,984 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:35,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:35,984 INFO L85 PathProgramCache]: Analyzing trace with hash -499262928, now seen corresponding path program 1 times [2024-11-08 23:25:35,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:35,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840688038] [2024-11-08 23:25:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:35,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:36,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:36,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840688038] [2024-11-08 23:25:36,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840688038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:36,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:36,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:25:36,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158513901] [2024-11-08 23:25:36,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:36,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:25:36,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:36,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:25:36,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:25:36,707 INFO L87 Difference]: Start difference. First operand 126 states and 195 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:37,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:37,080 INFO L93 Difference]: Finished difference Result 440 states and 686 transitions. [2024-11-08 23:25:37,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:25:37,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-08 23:25:37,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:37,083 INFO L225 Difference]: With dead ends: 440 [2024-11-08 23:25:37,084 INFO L226 Difference]: Without dead ends: 317 [2024-11-08 23:25:37,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-08 23:25:37,085 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 267 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:37,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 564 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:25:37,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-08 23:25:37,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 243. [2024-11-08 23:25:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 164 states have (on average 1.3658536585365855) internal successors, (224), 164 states have internal predecessors, (224), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 23:25:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 376 transitions. [2024-11-08 23:25:37,107 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 376 transitions. Word has length 238 [2024-11-08 23:25:37,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:37,108 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 376 transitions. [2024-11-08 23:25:37,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 376 transitions. [2024-11-08 23:25:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-08 23:25:37,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:37,114 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:37,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 23:25:37,115 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:37,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:37,115 INFO L85 PathProgramCache]: Analyzing trace with hash 532264216, now seen corresponding path program 1 times [2024-11-08 23:25:37,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:37,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812403281] [2024-11-08 23:25:37,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:37,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:37,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:37,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812403281] [2024-11-08 23:25:37,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812403281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:37,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:37,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:25:37,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66009726] [2024-11-08 23:25:37,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:37,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:25:37,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:37,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:25:37,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:25:37,676 INFO L87 Difference]: Start difference. First operand 243 states and 376 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:37,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:37,823 INFO L93 Difference]: Finished difference Result 643 states and 984 transitions. [2024-11-08 23:25:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:25:37,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-08 23:25:37,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:37,826 INFO L225 Difference]: With dead ends: 643 [2024-11-08 23:25:37,826 INFO L226 Difference]: Without dead ends: 403 [2024-11-08 23:25:37,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:25:37,828 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 255 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:37,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 406 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:25:37,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-08 23:25:37,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 291. [2024-11-08 23:25:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.3761904761904762) internal successors, (289), 210 states have internal predecessors, (289), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 23:25:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 441 transitions. [2024-11-08 23:25:37,871 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 441 transitions. Word has length 239 [2024-11-08 23:25:37,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:37,872 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 441 transitions. [2024-11-08 23:25:37,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 441 transitions. [2024-11-08 23:25:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-08 23:25:37,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:37,877 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:37,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 23:25:37,877 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:37,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:37,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1273174118, now seen corresponding path program 1 times [2024-11-08 23:25:37,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:37,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508512165] [2024-11-08 23:25:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:38,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:38,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508512165] [2024-11-08 23:25:38,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508512165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:38,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:38,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:25:38,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499019605] [2024-11-08 23:25:38,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:38,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:25:38,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:38,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:25:38,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:25:38,031 INFO L87 Difference]: Start difference. First operand 291 states and 441 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:38,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:38,099 INFO L93 Difference]: Finished difference Result 715 states and 1080 transitions. [2024-11-08 23:25:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:25:38,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-08 23:25:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:38,103 INFO L225 Difference]: With dead ends: 715 [2024-11-08 23:25:38,104 INFO L226 Difference]: Without dead ends: 427 [2024-11-08 23:25:38,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:25:38,105 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 142 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:38,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 343 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:25:38,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-08 23:25:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 275. [2024-11-08 23:25:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.3144329896907216) internal successors, (255), 194 states have internal predecessors, (255), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 23:25:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 407 transitions. [2024-11-08 23:25:38,131 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 407 transitions. Word has length 239 [2024-11-08 23:25:38,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:38,133 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 407 transitions. [2024-11-08 23:25:38,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:38,133 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 407 transitions. [2024-11-08 23:25:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-08 23:25:38,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:38,135 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:38,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 23:25:38,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:38,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:38,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1283125222, now seen corresponding path program 1 times [2024-11-08 23:25:38,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:38,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460281101] [2024-11-08 23:25:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:38,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:38,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:38,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460281101] [2024-11-08 23:25:38,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460281101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:38,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:38,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 23:25:38,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068753962] [2024-11-08 23:25:38,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:38,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 23:25:38,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:38,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 23:25:38,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 23:25:38,678 INFO L87 Difference]: Start difference. First operand 275 states and 407 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:39,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:39,043 INFO L93 Difference]: Finished difference Result 699 states and 1038 transitions. [2024-11-08 23:25:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 23:25:39,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-08 23:25:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:39,046 INFO L225 Difference]: With dead ends: 699 [2024-11-08 23:25:39,046 INFO L226 Difference]: Without dead ends: 427 [2024-11-08 23:25:39,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 23:25:39,050 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 147 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:39,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 488 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:25:39,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-08 23:25:39,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 275. [2024-11-08 23:25:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.3041237113402062) internal successors, (253), 194 states have internal predecessors, (253), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 23:25:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 405 transitions. [2024-11-08 23:25:39,082 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 405 transitions. Word has length 239 [2024-11-08 23:25:39,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:39,083 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 405 transitions. [2024-11-08 23:25:39,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 405 transitions. [2024-11-08 23:25:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-08 23:25:39,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:39,086 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:39,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 23:25:39,086 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:39,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:39,087 INFO L85 PathProgramCache]: Analyzing trace with hash -141118132, now seen corresponding path program 1 times [2024-11-08 23:25:39,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:39,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686845245] [2024-11-08 23:25:39,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:39,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:40,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:40,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686845245] [2024-11-08 23:25:40,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686845245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:40,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:40,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 23:25:40,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074348083] [2024-11-08 23:25:40,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:40,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 23:25:40,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:40,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 23:25:40,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 23:25:40,032 INFO L87 Difference]: Start difference. First operand 275 states and 405 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:40,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:40,533 INFO L93 Difference]: Finished difference Result 687 states and 982 transitions. [2024-11-08 23:25:40,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 23:25:40,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-08 23:25:40,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:40,535 INFO L225 Difference]: With dead ends: 687 [2024-11-08 23:25:40,535 INFO L226 Difference]: Without dead ends: 415 [2024-11-08 23:25:40,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-08 23:25:40,537 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 143 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:40,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 880 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:25:40,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-08 23:25:40,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 346. [2024-11-08 23:25:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 259 states have (on average 1.305019305019305) internal successors, (338), 261 states have internal predecessors, (338), 80 states have call successors, (80), 6 states have call predecessors, (80), 6 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-08 23:25:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 498 transitions. [2024-11-08 23:25:40,564 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 498 transitions. Word has length 240 [2024-11-08 23:25:40,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:40,565 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 498 transitions. [2024-11-08 23:25:40,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 498 transitions. [2024-11-08 23:25:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-08 23:25:40,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:40,567 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:40,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 23:25:40,567 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:40,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash -547785233, now seen corresponding path program 1 times [2024-11-08 23:25:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:40,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53088849] [2024-11-08 23:25:40,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:40,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:41,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:41,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53088849] [2024-11-08 23:25:41,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53088849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:41,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:41,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 23:25:41,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264029899] [2024-11-08 23:25:41,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:41,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 23:25:41,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:41,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 23:25:41,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:25:41,463 INFO L87 Difference]: Start difference. First operand 346 states and 498 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:42,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:42,831 INFO L93 Difference]: Finished difference Result 767 states and 1113 transitions. [2024-11-08 23:25:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 23:25:42,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-08 23:25:42,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:42,836 INFO L225 Difference]: With dead ends: 767 [2024-11-08 23:25:42,836 INFO L226 Difference]: Without dead ends: 587 [2024-11-08 23:25:42,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-08 23:25:42,838 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 443 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:42,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 1016 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 23:25:42,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-08 23:25:42,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 509. [2024-11-08 23:25:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 379 states have (on average 1.3007915567282322) internal successors, (493), 382 states have internal predecessors, (493), 120 states have call successors, (120), 9 states have call predecessors, (120), 9 states have return successors, (120), 117 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-08 23:25:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 733 transitions. [2024-11-08 23:25:42,892 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 733 transitions. Word has length 240 [2024-11-08 23:25:42,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:42,893 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 733 transitions. [2024-11-08 23:25:42,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 733 transitions. [2024-11-08 23:25:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-08 23:25:42,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:42,896 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:42,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 23:25:42,897 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:42,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:42,897 INFO L85 PathProgramCache]: Analyzing trace with hash -41500216, now seen corresponding path program 1 times [2024-11-08 23:25:42,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:42,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62981714] [2024-11-08 23:25:42,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:42,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-08 23:25:44,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:44,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62981714] [2024-11-08 23:25:44,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62981714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:25:44,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:25:44,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 23:25:44,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801361161] [2024-11-08 23:25:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:25:44,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 23:25:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 23:25:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:25:44,399 INFO L87 Difference]: Start difference. First operand 509 states and 733 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:46,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:46,075 INFO L93 Difference]: Finished difference Result 1582 states and 2281 transitions. [2024-11-08 23:25:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 23:25:46,076 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 241 [2024-11-08 23:25:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:46,082 INFO L225 Difference]: With dead ends: 1582 [2024-11-08 23:25:46,083 INFO L226 Difference]: Without dead ends: 1076 [2024-11-08 23:25:46,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-08 23:25:46,085 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 506 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:46,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 997 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 23:25:46,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-08 23:25:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 945. [2024-11-08 23:25:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 686 states have (on average 1.284256559766764) internal successors, (881), 692 states have internal predecessors, (881), 240 states have call successors, (240), 18 states have call predecessors, (240), 18 states have return successors, (240), 234 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-08 23:25:46,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1361 transitions. [2024-11-08 23:25:46,167 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1361 transitions. Word has length 241 [2024-11-08 23:25:46,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:46,168 INFO L471 AbstractCegarLoop]: Abstraction has 945 states and 1361 transitions. [2024-11-08 23:25:46,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-08 23:25:46,168 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1361 transitions. [2024-11-08 23:25:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-08 23:25:46,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:46,169 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:46,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 23:25:46,170 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:46,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:46,170 INFO L85 PathProgramCache]: Analyzing trace with hash -715540294, now seen corresponding path program 1 times [2024-11-08 23:25:46,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:46,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040619545] [2024-11-08 23:25:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:46,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:25:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:25:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:25:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:25:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:25:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:25:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:25:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:25:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:25:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 23:25:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:25:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 23:25:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 23:25:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:25:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:25:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 23:25:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:25:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:25:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:25:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:25:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:25:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 23:25:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 23:25:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 23:25:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 23:25:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 23:25:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 23:25:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 23:25:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 23:25:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 23:25:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 23:25:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 23:25:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:25:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 23:25:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:25:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 23:25:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 23:25:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 23:25:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 6 proven. 105 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-08 23:25:46,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:25:46,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040619545] [2024-11-08 23:25:46,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040619545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:25:46,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248523943] [2024-11-08 23:25:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:46,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:25:46,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:25:46,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:25:46,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 23:25:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:46,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 23:25:46,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 358 proven. 204 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2024-11-08 23:25:47,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:25:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 6 proven. 105 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-08 23:25:47,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248523943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:25:47,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:25:47,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 6] total 15 [2024-11-08 23:25:47,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237238965] [2024-11-08 23:25:47,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:25:47,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 23:25:47,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:25:47,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 23:25:47,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-08 23:25:47,997 INFO L87 Difference]: Start difference. First operand 945 states and 1361 transitions. Second operand has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) [2024-11-08 23:25:48,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:25:48,654 INFO L93 Difference]: Finished difference Result 1983 states and 2797 transitions. [2024-11-08 23:25:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 23:25:48,656 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) Word has length 241 [2024-11-08 23:25:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:25:48,664 INFO L225 Difference]: With dead ends: 1983 [2024-11-08 23:25:48,664 INFO L226 Difference]: Without dead ends: 1041 [2024-11-08 23:25:48,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2024-11-08 23:25:48,667 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 144 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 23:25:48,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 708 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 23:25:48,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2024-11-08 23:25:48,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 842. [2024-11-08 23:25:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 583 states have (on average 1.2469982847341339) internal successors, (727), 583 states have internal predecessors, (727), 228 states have call successors, (228), 30 states have call predecessors, (228), 30 states have return successors, (228), 228 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-08 23:25:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1183 transitions. [2024-11-08 23:25:48,745 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1183 transitions. Word has length 241 [2024-11-08 23:25:48,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:25:48,746 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1183 transitions. [2024-11-08 23:25:48,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) [2024-11-08 23:25:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1183 transitions. [2024-11-08 23:25:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-08 23:25:48,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:25:48,748 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:25:48,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 23:25:48,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:25:48,949 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:25:48,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:48,949 INFO L85 PathProgramCache]: Analyzing trace with hash -387373584, now seen corresponding path program 1 times [2024-11-08 23:25:48,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:25:48,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974035229] [2024-11-08 23:25:48,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:48,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:25:49,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [350240317] [2024-11-08 23:25:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:25:49,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:25:49,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:25:49,111 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:25:49,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process