./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_codestructure_normal_file-64.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 45420889077ced7b92ba4aa4cf0c8c240620d43618f314303770c822b9d61b59 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 03:23:46,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 03:23:46,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 03:23:46,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 03:23:46,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 03:23:47,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 03:23:47,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 03:23:47,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 03:23:47,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 03:23:47,010 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 03:23:47,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 03:23:47,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 03:23:47,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 03:23:47,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 03:23:47,013 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 03:23:47,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 03:23:47,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 03:23:47,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 03:23:47,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 03:23:47,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 03:23:47,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 03:23:47,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 03:23:47,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 03:23:47,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 03:23:47,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 03:23:47,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 03:23:47,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 03:23:47,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 03:23:47,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 03:23:47,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 03:23:47,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 03:23:47,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 03:23:47,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:23:47,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 03:23:47,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 03:23:47,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 03:23:47,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 03:23:47,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 03:23:47,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 03:23:47,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 03:23:47,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 03:23:47,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 03:23:47,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45420889077ced7b92ba4aa4cf0c8c240620d43618f314303770c822b9d61b59 [2024-11-10 03:23:47,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 03:23:47,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 03:23:47,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 03:23:47,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 03:23:47,297 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 03:23:47,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-64.i [2024-11-10 03:23:48,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 03:23:49,015 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 03:23:49,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-64.i [2024-11-10 03:23:49,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549510d23/3743f4f6b90a4791879550913f2488d7/FLAGb08c44af0 [2024-11-10 03:23:49,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549510d23/3743f4f6b90a4791879550913f2488d7 [2024-11-10 03:23:49,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 03:23:49,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 03:23:49,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 03:23:49,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 03:23:49,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 03:23:49,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c8bcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49, skipping insertion in model container [2024-11-10 03:23:49,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 03:23:49,296 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_codestructure_normal_file-64.i[913,926] [2024-11-10 03:23:49,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:23:49,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 03:23:49,418 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_codestructure_normal_file-64.i[913,926] [2024-11-10 03:23:49,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:23:49,470 INFO L204 MainTranslator]: Completed translation [2024-11-10 03:23:49,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49 WrapperNode [2024-11-10 03:23:49,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 03:23:49,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 03:23:49,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 03:23:49,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 03:23:49,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,548 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 231 [2024-11-10 03:23:49,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 03:23:49,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 03:23:49,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 03:23:49,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 03:23:49,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,590 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]. [2024-11-10 03:23:49,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 03:23:49,607 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 03:23:49,607 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 03:23:49,607 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 03:23:49,608 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (1/1) ... [2024-11-10 03:23:49,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:23:49,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:23:49,648 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) [2024-11-10 03:23:49,652 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 [2024-11-10 03:23:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 03:23:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 03:23:49,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 03:23:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 03:23:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 03:23:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 03:23:49,779 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 03:23:49,781 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 03:23:50,135 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L159: havoc property_#t~bitwise27#1;havoc property_#t~short28#1; [2024-11-10 03:23:50,189 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-10 03:23:50,189 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 03:23:50,218 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 03:23:50,218 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 03:23:50,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:23:50 BoogieIcfgContainer [2024-11-10 03:23:50,219 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 03:23:50,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 03:23:50,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 03:23:50,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 03:23:50,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:23:49" (1/3) ... [2024-11-10 03:23:50,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4debfd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:23:50, skipping insertion in model container [2024-11-10 03:23:50,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:23:49" (2/3) ... [2024-11-10 03:23:50,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4debfd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:23:50, skipping insertion in model container [2024-11-10 03:23:50,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:23:50" (3/3) ... [2024-11-10 03:23:50,232 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-64.i [2024-11-10 03:23:50,252 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 03:23:50,252 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 03:23:50,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 03:23:50,328 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;@4f44292d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 03:23:50,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 03:23:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 03:23:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 03:23:50,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:23:50,351 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:23:50,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:23:50,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:23:50,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2026829378, now seen corresponding path program 1 times [2024-11-10 03:23:50,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:23:50,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498252056] [2024-11-10 03:23:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:23:50,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:23:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:23:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:23:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:23:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:23:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:23:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:23:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:23:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:23:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:23:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:23:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:23:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:23:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:23:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:23:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:23:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:23:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:23:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:23:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:23:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:23:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:23:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:23:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:23:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:23:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:23:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:23:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:23:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:23:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:23:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:23:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:23:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:23:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 03:23:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 03:23:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:50,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 03:23:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 03:23:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 03:23:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 03:23:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 03:23:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 03:23:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 03:23:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 03:23:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-10 03:23:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-10 03:23:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-10 03:23:51,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:23:51,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498252056] [2024-11-10 03:23:51,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498252056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:23:51,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:23:51,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 03:23:51,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276483725] [2024-11-10 03:23:51,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:23:51,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 03:23:51,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:23:51,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 03:23:51,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:23:51,136 INFO L87 Difference]: Start difference. First operand has 105 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-10 03:23:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:23:51,192 INFO L93 Difference]: Finished difference Result 202 states and 363 transitions. [2024-11-10 03:23:51,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 03:23:51,195 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 264 [2024-11-10 03:23:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:23:51,207 INFO L225 Difference]: With dead ends: 202 [2024-11-10 03:23:51,208 INFO L226 Difference]: Without dead ends: 100 [2024-11-10 03:23:51,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:23:51,219 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:23:51,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 03:23:51,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-10 03:23:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-10 03:23:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 03:23:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 155 transitions. [2024-11-10 03:23:51,295 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 155 transitions. Word has length 264 [2024-11-10 03:23:51,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:23:51,296 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 155 transitions. [2024-11-10 03:23:51,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-10 03:23:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2024-11-10 03:23:51,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 03:23:51,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:23:51,308 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:23:51,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 03:23:51,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:23:51,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:23:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2120646078, now seen corresponding path program 1 times [2024-11-10 03:23:51,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:23:51,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21197772] [2024-11-10 03:23:51,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:23:51,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:23:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:23:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:23:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:23:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:23:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:23:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:23:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:23:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:23:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:23:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:23:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:23:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:23:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:23:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:23:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:23:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:23:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:23:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:23:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:23:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:23:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:23:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:23:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:23:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:23:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:23:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:23:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:23:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:23:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:23:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:23:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:23:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:23:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 03:23:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 03:23:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 03:23:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 03:23:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 03:23:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 03:23:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 03:23:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 03:23:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 03:23:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 03:23:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-10 03:23:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-10 03:23:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-10 03:23:52,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:23:52,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21197772] [2024-11-10 03:23:52,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21197772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:23:52,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:23:52,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 03:23:52,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475442364] [2024-11-10 03:23:52,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:23:52,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 03:23:52,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:23:52,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 03:23:52,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 03:23:52,192 INFO L87 Difference]: Start difference. First operand 100 states and 155 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 03:23:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:23:52,358 INFO L93 Difference]: Finished difference Result 245 states and 373 transitions. [2024-11-10 03:23:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 03:23:52,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-10 03:23:52,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:23:52,366 INFO L225 Difference]: With dead ends: 245 [2024-11-10 03:23:52,367 INFO L226 Difference]: Without dead ends: 148 [2024-11-10 03:23:52,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 03:23:52,369 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 72 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 03:23:52,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 449 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 03:23:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-10 03:23:52,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 111. [2024-11-10 03:23:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 03:23:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 173 transitions. [2024-11-10 03:23:52,398 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 173 transitions. Word has length 264 [2024-11-10 03:23:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:23:52,404 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 173 transitions. [2024-11-10 03:23:52,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 03:23:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2024-11-10 03:23:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 03:23:52,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:23:52,411 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:23:52,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 03:23:52,412 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:23:52,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:23:52,412 INFO L85 PathProgramCache]: Analyzing trace with hash -613094269, now seen corresponding path program 1 times [2024-11-10 03:23:52,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:23:52,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434320526] [2024-11-10 03:23:52,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:23:52,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:23:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:23:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:23:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:23:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:23:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:23:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:23:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:23:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:23:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:23:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:23:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:23:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:23:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:23:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:23:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:23:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:23:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:23:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:23:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:23:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:23:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:23:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:23:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:23:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:23:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:23:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:23:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:23:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:23:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:23:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:23:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:23:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:23:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 03:23:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 03:23:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 03:23:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 03:23:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 03:23:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 03:23:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 03:23:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 03:23:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 03:23:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 03:23:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-10 03:23:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-10 03:23:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-10 03:23:52,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:23:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434320526] [2024-11-10 03:23:52,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434320526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:23:52,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:23:52,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 03:23:52,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087208310] [2024-11-10 03:23:52,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:23:52,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 03:23:52,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:23:52,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 03:23:52,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 03:23:52,858 INFO L87 Difference]: Start difference. First operand 111 states and 173 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 03:23:52,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:23:52,990 INFO L93 Difference]: Finished difference Result 256 states and 390 transitions. [2024-11-10 03:23:52,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 03:23:52,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-10 03:23:52,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:23:52,997 INFO L225 Difference]: With dead ends: 256 [2024-11-10 03:23:52,997 INFO L226 Difference]: Without dead ends: 148 [2024-11-10 03:23:52,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 03:23:53,002 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 56 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 03:23:53,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 636 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 03:23:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-10 03:23:53,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 111. [2024-11-10 03:23:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 03:23:53,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 173 transitions. [2024-11-10 03:23:53,022 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 173 transitions. Word has length 264 [2024-11-10 03:23:53,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:23:53,024 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 173 transitions. [2024-11-10 03:23:53,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 03:23:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2024-11-10 03:23:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 03:23:53,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:23:53,028 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:23:53,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 03:23:53,028 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:23:53,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:23:53,030 INFO L85 PathProgramCache]: Analyzing trace with hash 383923363, now seen corresponding path program 1 times [2024-11-10 03:23:53,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:23:53,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939485878] [2024-11-10 03:23:53,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:23:53,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:23:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:23:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:23:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:23:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:23:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:23:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:23:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:23:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:53,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:23:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:23:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:23:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:23:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:23:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:23:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:23:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:23:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:23:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:23:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:23:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:23:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:23:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:23:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:23:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:23:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:23:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:23:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:23:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:23:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:23:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:23:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:23:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:23:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:23:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 03:23:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 03:23:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 03:23:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 03:23:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 03:23:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 03:23:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 03:23:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 03:23:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 03:23:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 03:23:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-10 03:23:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-10 03:23:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:23:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-10 03:23:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:23:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939485878] [2024-11-10 03:23:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939485878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:23:54,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:23:54,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 03:23:54,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257728957] [2024-11-10 03:23:54,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:23:54,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 03:23:54,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:23:54,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 03:23:54,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 03:23:54,095 INFO L87 Difference]: Start difference. First operand 111 states and 173 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 03:23:54,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:23:54,268 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2024-11-10 03:23:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 03:23:54,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-10 03:23:54,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:23:54,271 INFO L225 Difference]: With dead ends: 235 [2024-11-10 03:23:54,271 INFO L226 Difference]: Without dead ends: 127 [2024-11-10 03:23:54,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 03:23:54,273 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 59 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 03:23:54,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 569 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 03:23:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-10 03:23:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 100. [2024-11-10 03:23:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 03:23:54,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-10 03:23:54,284 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 264 [2024-11-10 03:23:54,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:23:54,284 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-10 03:23:54,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 03:23:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-10 03:23:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-10 03:23:54,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:23:54,288 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:23:54,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 03:23:54,288 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:23:54,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:23:54,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1974959868, now seen corresponding path program 1 times [2024-11-10 03:23:54,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:23:54,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278315685] [2024-11-10 03:23:54,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:23:54,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:23:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat