./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_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_fillercode_fillercodestructure_filler-pe-co_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 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:19:18,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:19:18,942 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:19:18,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:19:18,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:19:18,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:19:18,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:19:18,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:19:18,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:19:18,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:19:18,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:19:18,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:19:18,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:19:18,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:19:18,988 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:19:18,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:19:18,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:19:18,991 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:19:18,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:19:18,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:19:18,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:19:18,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:19:18,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:19:18,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:19:18,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:19:18,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:19:18,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:19:18,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:19:18,994 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:19:18,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:19:18,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:19:18,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:19:18,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:19:18,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:19:18,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:19:18,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:19:18,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:19:18,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:19:18,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:19:18,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:19:18,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:19:19,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:19:19,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 [2024-11-10 05:19:19,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:19:19,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:19:19,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:19:19,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:19:19,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:19:19,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-11-10 05:19:20,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:19:20,911 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:19:20,912 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-11-10 05:19:20,925 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b4bc760/215e3c1cd1be49389836e4bc117c959a/FLAGc01322bcd [2024-11-10 05:19:20,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b4bc760/215e3c1cd1be49389836e4bc117c959a [2024-11-10 05:19:20,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:19:20,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:19:20,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:19:20,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:19:20,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:19:20,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:19:20" (1/1) ... [2024-11-10 05:19:20,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5b7181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:20, skipping insertion in model container [2024-11-10 05:19:20,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:19:20" (1/1) ... [2024-11-10 05:19:20,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:19:21,168 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-pe-co_file-64.i[919,932] [2024-11-10 05:19:21,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:19:21,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:19:21,292 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-pe-co_file-64.i[919,932] [2024-11-10 05:19:21,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:19:21,358 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:19:21,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21 WrapperNode [2024-11-10 05:19:21,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:19:21,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:19:21,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:19:21,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:19:21,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,407 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2024-11-10 05:19:21,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:19:21,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:19:21,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:19:21,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:19:21,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,457 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 05:19:21,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,468 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:19:21,476 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:19:21,476 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:19:21,476 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:19:21,481 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (1/1) ... [2024-11-10 05:19:21,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:19:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:19:21,518 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 05:19:21,524 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 05:19:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:19:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:19:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:19:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:19:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:19:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:19:21,675 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:19:21,677 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:19:22,053 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L197: havoc property_#t~bitwise25#1;havoc property_#t~short26#1; [2024-11-10 05:19:22,104 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-10 05:19:22,105 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:19:22,130 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:19:22,130 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:19:22,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:19:22 BoogieIcfgContainer [2024-11-10 05:19:22,132 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:19:22,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:19:22,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:19:22,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:19:22,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:19:20" (1/3) ... [2024-11-10 05:19:22,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621549a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:19:22, skipping insertion in model container [2024-11-10 05:19:22,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:21" (2/3) ... [2024-11-10 05:19:22,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621549a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:19:22, skipping insertion in model container [2024-11-10 05:19:22,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:19:22" (3/3) ... [2024-11-10 05:19:22,142 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-11-10 05:19:22,159 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:19:22,160 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:19:22,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:19:22,227 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;@343dbcfe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:19:22,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:19:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 67 states have (on average 1.373134328358209) internal successors, (92), 68 states have internal predecessors, (92), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 05:19:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-10 05:19:22,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:19:22,246 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:19:22,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:19:22,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:19:22,251 INFO L85 PathProgramCache]: Analyzing trace with hash 452867677, now seen corresponding path program 1 times [2024-11-10 05:19:22,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:19:22,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968041697] [2024-11-10 05:19:22,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:19:22,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:19:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:19:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:19:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:19:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:19:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:19:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:19:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:19:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:19:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:19:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:19:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:19:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:19:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:19:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:19:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:19:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:19:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:19:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:19:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:19:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:19:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:19:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:19:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:19:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:19:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:19:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:19:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:19:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:19:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:19:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:19:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 05:19:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:19:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:19:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:19:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 05:19:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 05:19:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 05:19:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 05:19:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 05:19:22,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:19:22,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968041697] [2024-11-10 05:19:22,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968041697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:19:22,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:19:22,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:19:22,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929903410] [2024-11-10 05:19:22,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:19:22,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:19:22,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:19:22,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:19:22,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:19:22,834 INFO L87 Difference]: Start difference. First operand has 108 states, 67 states have (on average 1.373134328358209) internal successors, (92), 68 states have internal predecessors, (92), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-10 05:19:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:19:22,872 INFO L93 Difference]: Finished difference Result 208 states and 367 transitions. [2024-11-10 05:19:22,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:19:22,876 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 240 [2024-11-10 05:19:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:19:22,886 INFO L225 Difference]: With dead ends: 208 [2024-11-10 05:19:22,887 INFO L226 Difference]: Without dead ends: 103 [2024-11-10 05:19:22,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 05:19:22,895 INFO L432 NwaCegarLoop]: 158 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, 158 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 05:19:22,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:19:22,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-10 05:19:22,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-10 05:19:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 05:19:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 160 transitions. [2024-11-10 05:19:22,954 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 160 transitions. Word has length 240 [2024-11-10 05:19:22,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:19:22,954 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 160 transitions. [2024-11-10 05:19:22,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-10 05:19:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-10 05:19:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-10 05:19:22,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:19:22,961 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:19:22,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:19:22,962 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:19:22,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:19:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash -929748705, now seen corresponding path program 1 times [2024-11-10 05:19:22,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:19:22,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718521443] [2024-11-10 05:19:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:19:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:19:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:19:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:19:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:19:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:19:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:19:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:19:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:19:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:19:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:19:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:19:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:19:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:19:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:19:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:19:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:19:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:19:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:19:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:19:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:19:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:19:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:19:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:19:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:19:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:19:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:19:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:19:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:19:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:19:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:19:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:19:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 05:19:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:19:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:19:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:19:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 05:19:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 05:19:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 05:19:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 05:19:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 05:19:23,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:19:23,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718521443] [2024-11-10 05:19:23,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718521443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:19:23,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:19:23,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:19:23,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093622000] [2024-11-10 05:19:23,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:19:23,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:19:23,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:19:23,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:19:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:19:23,673 INFO L87 Difference]: Start difference. First operand 103 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 05:19:24,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:19:24,105 INFO L93 Difference]: Finished difference Result 325 states and 503 transitions. [2024-11-10 05:19:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:19:24,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-10 05:19:24,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:19:24,110 INFO L225 Difference]: With dead ends: 325 [2024-11-10 05:19:24,110 INFO L226 Difference]: Without dead ends: 225 [2024-11-10 05:19:24,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 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 05:19:24,113 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 174 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 05:19:24,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 798 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 05:19:24,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-10 05:19:24,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 118. [2024-11-10 05:19:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 05:19:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 185 transitions. [2024-11-10 05:19:24,134 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 185 transitions. Word has length 240 [2024-11-10 05:19:24,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:19:24,139 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 185 transitions. [2024-11-10 05:19:24,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 05:19:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2024-11-10 05:19:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-10 05:19:24,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:19:24,147 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:19:24,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:19:24,147 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:19:24,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:19:24,148 INFO L85 PathProgramCache]: Analyzing trace with hash 423560992, now seen corresponding path program 1 times [2024-11-10 05:19:24,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:19:24,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630778031] [2024-11-10 05:19:24,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:19:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:19:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:19:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:19:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:19:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:19:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:19:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:19:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:19:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:19:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:19:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:19:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:19:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:19:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:19:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:19:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:19:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:19:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:19:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:19:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:19:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:19:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:19:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:19:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:19:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:19:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:19:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:19:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:19:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:19:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:19:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:19:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 05:19:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:19:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:19:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:19:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 05:19:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 05:19:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 05:19:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 05:19:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 05:19:24,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:19:24,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630778031] [2024-11-10 05:19:24,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630778031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:19:24,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:19:24,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:19:24,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776941698] [2024-11-10 05:19:24,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:19:24,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:19:24,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:19:24,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:19:24,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:19:24,517 INFO L87 Difference]: Start difference. First operand 118 states and 185 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 05:19:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:19:24,769 INFO L93 Difference]: Finished difference Result 340 states and 527 transitions. [2024-11-10 05:19:24,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:19:24,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-10 05:19:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:19:24,774 INFO L225 Difference]: With dead ends: 340 [2024-11-10 05:19:24,775 INFO L226 Difference]: Without dead ends: 225 [2024-11-10 05:19:24,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 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 05:19:24,778 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 173 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:19:24,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 775 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:19:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-10 05:19:24,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 118. [2024-11-10 05:19:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 05:19:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 185 transitions. [2024-11-10 05:19:24,809 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 185 transitions. Word has length 240 [2024-11-10 05:19:24,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:19:24,812 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 185 transitions. [2024-11-10 05:19:24,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 05:19:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2024-11-10 05:19:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-10 05:19:24,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:19:24,818 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:19:24,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:19:24,819 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:19:24,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:19:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash 779798336, now seen corresponding path program 1 times [2024-11-10 05:19:24,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:19:24,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735707663] [2024-11-10 05:19:24,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:19:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:19:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:19:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:19:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:19:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:19:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:19:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:19:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:19:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:19:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:19:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:19:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:19:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:19:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:19:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:19:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:19:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:19:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:19:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:19:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:19:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:19:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:19:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:19:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:19:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:19:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:19:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:19:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:19:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:19:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:19:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:19:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 05:19:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:19:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:19:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:19:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 05:19:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 05:19:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 05:19:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 05:19:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:19:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 05:19:28,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:19:28,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735707663] [2024-11-10 05:19:28,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735707663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:19:28,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:19:28,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:19:28,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018131571] [2024-11-10 05:19:28,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:19:28,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:19:28,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:19:28,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:19:28,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:19:28,154 INFO L87 Difference]: Start difference. First operand 118 states and 185 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 05:19:28,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:19:28,693 INFO L93 Difference]: Finished difference Result 378 states and 590 transitions. [2024-11-10 05:19:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:19:28,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-10 05:19:28,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:19:28,698 INFO L225 Difference]: With dead ends: 378 [2024-11-10 05:19:28,698 INFO L226 Difference]: Without dead ends: 263 [2024-11-10 05:19:28,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 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 05:19:28,700 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 200 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 05:19:28,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 727 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 05:19:28,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-10 05:19:28,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 103. [2024-11-10 05:19:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 05:19:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 159 transitions. [2024-11-10 05:19:28,733 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 159 transitions. Word has length 240 [2024-11-10 05:19:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:19:28,734 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 159 transitions. [2024-11-10 05:19:28,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 05:19:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 159 transitions. [2024-11-10 05:19:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-10 05:19:28,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:19:28,738 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:19:28,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:19:28,739 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:19:28,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:19:28,739 INFO L85 PathProgramCache]: Analyzing trace with hash 16114849, now seen corresponding path program 1 times [2024-11-10 05:19:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:19:28,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203466794] [2024-11-10 05:19:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:19:28,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:19:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat