./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-34.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 68ec8a45185640c14efe48000e9f98891ce6fe2387f90662afdebba9912124a6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:43:27,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:43:27,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:43:27,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:43:27,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:43:27,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:43:27,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:43:27,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:43:27,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:43:27,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:43:27,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:43:27,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:43:27,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:43:27,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:43:27,398 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:43:27,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:43:27,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:43:27,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:43:27,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:43:27,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:43:27,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:43:27,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:43:27,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:43:27,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:43:27,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:43:27,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:43:27,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:43:27,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:43:27,403 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:43:27,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:43:27,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:43:27,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:43:27,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:43:27,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:43:27,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:43:27,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:43:27,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:43:27,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:43:27,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:43:27,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:43:27,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:43:27,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:43:27,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ec8a45185640c14efe48000e9f98891ce6fe2387f90662afdebba9912124a6 [2024-11-16 14:43:27,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:43:27,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:43:27,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:43:27,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:43:27,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:43:27,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-34.i [2024-11-16 14:43:28,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:43:29,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:43:29,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-34.i [2024-11-16 14:43:29,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119511a67/d811be02f7c242aba23a7d5112ad6e0f/FLAG4df382051 [2024-11-16 14:43:29,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119511a67/d811be02f7c242aba23a7d5112ad6e0f [2024-11-16 14:43:29,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:43:29,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:43:29,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:43:29,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:43:29,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:43:29,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9164fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29, skipping insertion in model container [2024-11-16 14:43:29,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:43:29,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-34.i[919,932] [2024-11-16 14:43:29,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:43:29,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:43:29,379 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-34.i[919,932] [2024-11-16 14:43:29,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:43:29,422 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:43:29,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29 WrapperNode [2024-11-16 14:43:29,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:43:29,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:43:29,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:43:29,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:43:29,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,469 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2024-11-16 14:43:29,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:43:29,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:43:29,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:43:29,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:43:29,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,505 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]. [2024-11-16 14:43:29,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:43:29,534 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:43:29,534 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:43:29,534 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:43:29,535 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (1/1) ... [2024-11-16 14:43:29,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:43:29,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:43:29,563 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) [2024-11-16 14:43:29,565 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 [2024-11-16 14:43:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:43:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:43:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:43:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:43:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:43:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:43:29,695 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:43:29,697 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:43:30,034 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc property_#t~bitwise21#1;havoc property_#t~ite23#1;havoc property_#t~bitwise22#1;havoc property_#t~short24#1; [2024-11-16 14:43:30,063 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-16 14:43:30,064 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:43:30,086 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:43:30,087 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:43:30,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:43:30 BoogieIcfgContainer [2024-11-16 14:43:30,088 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:43:30,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:43:30,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:43:30,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:43:30,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:43:29" (1/3) ... [2024-11-16 14:43:30,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21407f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:43:30, skipping insertion in model container [2024-11-16 14:43:30,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:43:29" (2/3) ... [2024-11-16 14:43:30,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21407f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:43:30, skipping insertion in model container [2024-11-16 14:43:30,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:43:30" (3/3) ... [2024-11-16 14:43:30,094 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-34.i [2024-11-16 14:43:30,106 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:43:30,106 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:43:30,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:43:30,160 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;@40de80e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:43:30,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:43:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 14:43:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 14:43:30,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:30,178 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:30,178 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:30,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:30,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1733279144, now seen corresponding path program 1 times [2024-11-16 14:43:30,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:30,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260313163] [2024-11-16 14:43:30,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:30,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:30,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:30,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260313163] [2024-11-16 14:43:30,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260313163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:30,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:43:30,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554803434] [2024-11-16 14:43:30,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:30,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:43:30,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:30,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:43:30,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:43:30,689 INFO L87 Difference]: Start difference. First operand has 106 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:43:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:30,726 INFO L93 Difference]: Finished difference Result 204 states and 352 transitions. [2024-11-16 14:43:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:43:30,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 181 [2024-11-16 14:43:30,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:30,736 INFO L225 Difference]: With dead ends: 204 [2024-11-16 14:43:30,736 INFO L226 Difference]: Without dead ends: 101 [2024-11-16 14:43:30,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:43:30,742 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:30,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:43:30,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-16 14:43:30,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-16 14:43:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 72 states have internal predecessors, (104), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 14:43:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-16 14:43:30,785 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 181 [2024-11-16 14:43:30,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:30,785 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-16 14:43:30,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:43:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-16 14:43:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 14:43:30,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:30,791 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:30,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:43:30,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:30,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1902869643, now seen corresponding path program 1 times [2024-11-16 14:43:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:30,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619876210] [2024-11-16 14:43:30,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:30,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:31,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:31,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619876210] [2024-11-16 14:43:31,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619876210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:31,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:31,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:43:31,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303663431] [2024-11-16 14:43:31,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:31,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:43:31,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:31,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:43:31,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:43:31,377 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:31,548 INFO L93 Difference]: Finished difference Result 339 states and 534 transitions. [2024-11-16 14:43:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:43:31,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-16 14:43:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:31,552 INFO L225 Difference]: With dead ends: 339 [2024-11-16 14:43:31,554 INFO L226 Difference]: Without dead ends: 241 [2024-11-16 14:43:31,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:43:31,557 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 174 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:31,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 498 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:43:31,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-16 14:43:31,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 206. [2024-11-16 14:43:31,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 149 states have (on average 1.476510067114094) internal successors, (220), 149 states have internal predecessors, (220), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 14:43:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 328 transitions. [2024-11-16 14:43:31,596 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 328 transitions. Word has length 181 [2024-11-16 14:43:31,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:31,596 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 328 transitions. [2024-11-16 14:43:31,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:31,597 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 328 transitions. [2024-11-16 14:43:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-16 14:43:31,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:31,599 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:31,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:43:31,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:31,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:31,600 INFO L85 PathProgramCache]: Analyzing trace with hash -782066790, now seen corresponding path program 1 times [2024-11-16 14:43:31,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:31,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369301367] [2024-11-16 14:43:31,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:31,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:31,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:31,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369301367] [2024-11-16 14:43:31,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369301367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:31,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:31,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:43:31,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979672385] [2024-11-16 14:43:31,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:31,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:43:31,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:31,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:43:31,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:43:31,918 INFO L87 Difference]: Start difference. First operand 206 states and 328 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:32,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:32,210 INFO L93 Difference]: Finished difference Result 604 states and 962 transitions. [2024-11-16 14:43:32,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:43:32,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-16 14:43:32,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:32,224 INFO L225 Difference]: With dead ends: 604 [2024-11-16 14:43:32,225 INFO L226 Difference]: Without dead ends: 401 [2024-11-16 14:43:32,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 14:43:32,228 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 191 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:32,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 582 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 14:43:32,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-16 14:43:32,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 210. [2024-11-16 14:43:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 153 states have internal predecessors, (224), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 14:43:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 332 transitions. [2024-11-16 14:43:32,341 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 332 transitions. Word has length 182 [2024-11-16 14:43:32,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:32,343 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 332 transitions. [2024-11-16 14:43:32,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:32,343 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 332 transitions. [2024-11-16 14:43:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 14:43:32,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:32,350 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:32,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:43:32,351 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:32,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:32,352 INFO L85 PathProgramCache]: Analyzing trace with hash -843059977, now seen corresponding path program 1 times [2024-11-16 14:43:32,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:32,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094822666] [2024-11-16 14:43:32,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:32,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:34,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:34,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094822666] [2024-11-16 14:43:34,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094822666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:34,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:34,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 14:43:34,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811789630] [2024-11-16 14:43:34,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:34,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 14:43:34,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:34,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 14:43:34,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 14:43:34,895 INFO L87 Difference]: Start difference. First operand 210 states and 332 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:35,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:35,431 INFO L93 Difference]: Finished difference Result 631 states and 985 transitions. [2024-11-16 14:43:35,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 14:43:35,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 14:43:35,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:35,435 INFO L225 Difference]: With dead ends: 631 [2024-11-16 14:43:35,435 INFO L226 Difference]: Without dead ends: 424 [2024-11-16 14:43:35,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-16 14:43:35,436 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 220 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:35,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 513 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 14:43:35,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-16 14:43:35,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 300. [2024-11-16 14:43:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 215 states have (on average 1.4697674418604652) internal successors, (316), 215 states have internal predecessors, (316), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:43:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 478 transitions. [2024-11-16 14:43:35,488 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 478 transitions. Word has length 183 [2024-11-16 14:43:35,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:35,489 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 478 transitions. [2024-11-16 14:43:35,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 478 transitions. [2024-11-16 14:43:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 14:43:35,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:35,491 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:35,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:43:35,491 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:35,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:35,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1635235204, now seen corresponding path program 1 times [2024-11-16 14:43:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:35,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339885511] [2024-11-16 14:43:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:44,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:44,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339885511] [2024-11-16 14:43:44,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339885511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:44,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:44,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 14:43:44,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910319304] [2024-11-16 14:43:44,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:44,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 14:43:44,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:44,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 14:43:44,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-16 14:43:44,976 INFO L87 Difference]: Start difference. First operand 300 states and 478 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:46,917 INFO L93 Difference]: Finished difference Result 845 states and 1302 transitions. [2024-11-16 14:43:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 14:43:46,918 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 14:43:46,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:46,923 INFO L225 Difference]: With dead ends: 845 [2024-11-16 14:43:46,923 INFO L226 Difference]: Without dead ends: 601 [2024-11-16 14:43:46,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=161, Invalid=541, Unknown=0, NotChecked=0, Total=702 [2024-11-16 14:43:46,924 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 672 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:46,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 983 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 14:43:46,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-16 14:43:46,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 414. [2024-11-16 14:43:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 329 states have (on average 1.4954407294832828) internal successors, (492), 329 states have internal predecessors, (492), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:43:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 654 transitions. [2024-11-16 14:43:46,959 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 654 transitions. Word has length 183 [2024-11-16 14:43:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:46,960 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 654 transitions. [2024-11-16 14:43:46,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 654 transitions. [2024-11-16 14:43:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 14:43:46,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:46,963 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:46,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 14:43:46,963 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:46,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:46,964 INFO L85 PathProgramCache]: Analyzing trace with hash 107575131, now seen corresponding path program 1 times [2024-11-16 14:43:46,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:46,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705837308] [2024-11-16 14:43:46,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:46,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:48,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:48,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705837308] [2024-11-16 14:43:48,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705837308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:48,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:48,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 14:43:48,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425185279] [2024-11-16 14:43:48,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:48,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 14:43:48,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:48,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 14:43:48,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 14:43:48,722 INFO L87 Difference]: Start difference. First operand 414 states and 654 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:50,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:50,003 INFO L93 Difference]: Finished difference Result 884 states and 1376 transitions. [2024-11-16 14:43:50,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 14:43:50,004 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 14:43:50,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:50,007 INFO L225 Difference]: With dead ends: 884 [2024-11-16 14:43:50,008 INFO L226 Difference]: Without dead ends: 661 [2024-11-16 14:43:50,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-16 14:43:50,009 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 460 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:50,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 617 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 14:43:50,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-16 14:43:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 482. [2024-11-16 14:43:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 397 states have (on average 1.4987405541561714) internal successors, (595), 397 states have internal predecessors, (595), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:43:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 757 transitions. [2024-11-16 14:43:50,040 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 757 transitions. Word has length 183 [2024-11-16 14:43:50,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:50,040 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 757 transitions. [2024-11-16 14:43:50,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 757 transitions. [2024-11-16 14:43:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 14:43:50,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:50,042 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:50,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 14:43:50,042 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:50,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:50,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1831748709, now seen corresponding path program 1 times [2024-11-16 14:43:50,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:50,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914338459] [2024-11-16 14:43:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:51,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:51,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914338459] [2024-11-16 14:43:51,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914338459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:51,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:51,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 14:43:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657656661] [2024-11-16 14:43:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:51,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 14:43:51,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 14:43:51,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-16 14:43:51,531 INFO L87 Difference]: Start difference. First operand 482 states and 757 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:43:53,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:53,006 INFO L93 Difference]: Finished difference Result 881 states and 1351 transitions. [2024-11-16 14:43:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 14:43:53,008 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 183 [2024-11-16 14:43:53,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:53,012 INFO L225 Difference]: With dead ends: 881 [2024-11-16 14:43:53,012 INFO L226 Difference]: Without dead ends: 660 [2024-11-16 14:43:53,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2024-11-16 14:43:53,014 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 500 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:53,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 843 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 14:43:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-16 14:43:53,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 544. [2024-11-16 14:43:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 459 states have (on average 1.5076252723311547) internal successors, (692), 459 states have internal predecessors, (692), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:43:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 854 transitions. [2024-11-16 14:43:53,041 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 854 transitions. Word has length 183 [2024-11-16 14:43:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:53,042 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 854 transitions. [2024-11-16 14:43:53,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:43:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 854 transitions. [2024-11-16 14:43:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 14:43:53,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:53,044 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:53,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 14:43:53,044 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:53,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash 510249720, now seen corresponding path program 1 times [2024-11-16 14:43:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:53,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177433933] [2024-11-16 14:43:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:43:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:43:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 14:43:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:43:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 14:43:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:43:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 14:43:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:43:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 14:43:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:43:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 14:43:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:43:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:43:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:43:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:43:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:43:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:43:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:43:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:43:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:43:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:43:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:43:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:43:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:43:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:43:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:43:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:43:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:43:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:43:53,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:43:53,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177433933] [2024-11-16 14:43:53,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177433933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:43:53,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:43:53,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:43:53,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616804373] [2024-11-16 14:43:53,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:43:53,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:43:53,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:43:53,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:43:53,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:43:53,344 INFO L87 Difference]: Start difference. First operand 544 states and 854 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:53,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:43:53,563 INFO L93 Difference]: Finished difference Result 840 states and 1312 transitions. [2024-11-16 14:43:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:43:53,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-16 14:43:53,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:43:53,566 INFO L225 Difference]: With dead ends: 840 [2024-11-16 14:43:53,566 INFO L226 Difference]: Without dead ends: 531 [2024-11-16 14:43:53,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:43:53,568 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 106 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:43:53,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 388 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 14:43:53,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-16 14:43:53,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 500. [2024-11-16 14:43:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 415 states have (on average 1.4843373493975904) internal successors, (616), 415 states have internal predecessors, (616), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:43:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 778 transitions. [2024-11-16 14:43:53,602 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 778 transitions. Word has length 183 [2024-11-16 14:43:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:43:53,602 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 778 transitions. [2024-11-16 14:43:53,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:43:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 778 transitions. [2024-11-16 14:43:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 14:43:53,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:43:53,605 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:43:53,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 14:43:53,605 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:43:53,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:43:53,605 INFO L85 PathProgramCache]: Analyzing trace with hash -390470723, now seen corresponding path program 1 times [2024-11-16 14:43:53,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:43:53,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918551544] [2024-11-16 14:43:53,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:43:53,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:43:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat