./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.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 ca686f9256f657bcea08227d4780b5c57890ba4844680a923775ba3d19048603 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:01:50,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:01:51,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:01:51,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:01:51,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:01:51,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:01:51,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:01:51,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:01:51,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:01:51,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:01:51,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:01:51,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:01:51,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:01:51,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:01:51,093 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:01:51,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:01:51,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:01:51,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:01:51,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:01:51,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:01:51,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:01:51,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:01:51,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:01:51,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:01:51,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:01:51,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:01:51,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:01:51,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:01:51,102 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:01:51,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:01:51,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:01:51,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:01:51,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:01:51,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:01:51,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:01:51,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:01:51,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:01:51,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:01:51,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:01:51,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:01:51,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:01:51,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:01:51,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca686f9256f657bcea08227d4780b5c57890ba4844680a923775ba3d19048603 [2024-11-16 15:01:51,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:01:51,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:01:51,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:01:51,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:01:51,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:01:51,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i [2024-11-16 15:01:52,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:01:53,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:01:53,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i [2024-11-16 15:01:53,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546d3fe99/725fd053bffd4a849505a4f882fb1ed0/FLAGde87d9a96 [2024-11-16 15:01:53,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546d3fe99/725fd053bffd4a849505a4f882fb1ed0 [2024-11-16 15:01:53,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:01:53,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:01:53,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:01:53,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:01:53,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:01:53,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc9a475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53, skipping insertion in model container [2024-11-16 15:01:53,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:01:53,275 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-ps-ci_file-98.i[919,932] [2024-11-16 15:01:53,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:01:53,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:01:53,379 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i[919,932] [2024-11-16 15:01:53,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:01:53,477 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:01:53,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53 WrapperNode [2024-11-16 15:01:53,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:01:53,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:01:53,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:01:53,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:01:53,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,557 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-16 15:01:53,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:01:53,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:01:53,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:01:53,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:01:53,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,577 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,604 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 15:01:53,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:01:53,629 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:01:53,629 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:01:53,629 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:01:53,630 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (1/1) ... [2024-11-16 15:01:53,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:01:53,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:01:53,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 15:01:53,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 15:01:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:01:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:01:53,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:01:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:01:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:01:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:01:53,842 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:01:53,845 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:01:54,374 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: havoc property_#t~bitwise25#1; [2024-11-16 15:01:54,418 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 15:01:54,418 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:01:54,450 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:01:54,452 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:01:54,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:01:54 BoogieIcfgContainer [2024-11-16 15:01:54,452 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:01:54,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:01:54,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:01:54,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:01:54,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:01:53" (1/3) ... [2024-11-16 15:01:54,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@808978e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:01:54, skipping insertion in model container [2024-11-16 15:01:54,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:01:53" (2/3) ... [2024-11-16 15:01:54,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@808978e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:01:54, skipping insertion in model container [2024-11-16 15:01:54,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:01:54" (3/3) ... [2024-11-16 15:01:54,465 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-98.i [2024-11-16 15:01:54,484 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:01:54,485 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:01:54,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:01:54,574 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;@1ebd3997, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:01:54,575 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:01:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 72 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-16 15:01:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 15:01:54,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:54,595 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:01:54,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:54,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:54,601 INFO L85 PathProgramCache]: Analyzing trace with hash -556513184, now seen corresponding path program 1 times [2024-11-16 15:01:54,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:54,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521817898] [2024-11-16 15:01:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:54,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:01:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:01:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 15:01:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:01:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:01:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:01:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:01:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:01:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:01:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:01:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:01:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:01:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:01:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:01:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:01:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:01:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 15:01:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 15:01:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 15:01:55,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:55,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521817898] [2024-11-16 15:01:55,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521817898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:55,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:55,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:01:55,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356941842] [2024-11-16 15:01:55,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:55,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:01:55,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:55,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:01:55,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:01:55,320 INFO L87 Difference]: Start difference. First operand has 107 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 72 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-16 15:01:55,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:55,377 INFO L93 Difference]: Finished difference Result 206 states and 360 transitions. [2024-11-16 15:01:55,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:01:55,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 213 [2024-11-16 15:01:55,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:55,392 INFO L225 Difference]: With dead ends: 206 [2024-11-16 15:01:55,393 INFO L226 Difference]: Without dead ends: 102 [2024-11-16 15:01:55,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:01:55,406 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:55,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:01:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-16 15:01:55,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-16 15:01:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-16 15:01:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 158 transitions. [2024-11-16 15:01:55,465 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 158 transitions. Word has length 213 [2024-11-16 15:01:55,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:55,466 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 158 transitions. [2024-11-16 15:01:55,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-16 15:01:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2024-11-16 15:01:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 15:01:55,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:55,471 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:01:55,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:01:55,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:55,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:55,473 INFO L85 PathProgramCache]: Analyzing trace with hash -189745631, now seen corresponding path program 1 times [2024-11-16 15:01:55,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:55,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175562738] [2024-11-16 15:01:55,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:01:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:01:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 15:01:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:01:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:01:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:01:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:01:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:01:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:01:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:01:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:01:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:01:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:01:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:01:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:01:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:01:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 15:01:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 15:01:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 15:01:56,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:56,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175562738] [2024-11-16 15:01:56,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175562738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:56,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:56,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:01:56,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767293937] [2024-11-16 15:01:56,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:56,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:01:56,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:56,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:01:56,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:01:56,699 INFO L87 Difference]: Start difference. First operand 102 states and 158 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:01:56,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:56,961 INFO L93 Difference]: Finished difference Result 300 states and 468 transitions. [2024-11-16 15:01:56,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:01:56,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-16 15:01:56,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:56,969 INFO L225 Difference]: With dead ends: 300 [2024-11-16 15:01:56,971 INFO L226 Difference]: Without dead ends: 201 [2024-11-16 15:01:56,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:01:56,974 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 95 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:56,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 234 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:01:56,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-16 15:01:57,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2024-11-16 15:01:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 129 states have internal predecessors, (175), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 15:01:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 307 transitions. [2024-11-16 15:01:57,033 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 307 transitions. Word has length 213 [2024-11-16 15:01:57,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:57,034 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 307 transitions. [2024-11-16 15:01:57,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:01:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 307 transitions. [2024-11-16 15:01:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 15:01:57,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:57,043 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:01:57,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:01:57,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:57,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:57,044 INFO L85 PathProgramCache]: Analyzing trace with hash -75395404, now seen corresponding path program 1 times [2024-11-16 15:01:57,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:57,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913473217] [2024-11-16 15:01:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:57,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:01:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:01:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 15:01:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:01:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:01:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:01:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:01:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:01:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:01:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:01:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:01:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:01:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:01:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:01:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:01:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:01:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 15:01:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 15:01:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 15:01:57,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:57,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913473217] [2024-11-16 15:01:57,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913473217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:57,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:57,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:01:57,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684077083] [2024-11-16 15:01:57,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:57,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:01:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:57,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:01:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:01:57,967 INFO L87 Difference]: Start difference. First operand 198 states and 307 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:01:58,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:58,110 INFO L93 Difference]: Finished difference Result 469 states and 728 transitions. [2024-11-16 15:01:58,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:01:58,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-16 15:01:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:58,115 INFO L225 Difference]: With dead ends: 469 [2024-11-16 15:01:58,115 INFO L226 Difference]: Without dead ends: 274 [2024-11-16 15:01:58,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:01:58,117 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 54 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:58,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 259 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:01:58,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-16 15:01:58,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 265. [2024-11-16 15:01:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 162 states have (on average 1.308641975308642) internal successors, (212), 162 states have internal predecessors, (212), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:01:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 410 transitions. [2024-11-16 15:01:58,186 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 410 transitions. Word has length 215 [2024-11-16 15:01:58,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:58,188 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 410 transitions. [2024-11-16 15:01:58,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:01:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 410 transitions. [2024-11-16 15:01:58,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-16 15:01:58,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:58,192 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:01:58,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:01:58,193 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:58,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash -720562215, now seen corresponding path program 1 times [2024-11-16 15:01:58,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:58,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222676439] [2024-11-16 15:01:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:01:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:01:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:01:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:01:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:01:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 15:01:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:01:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:01:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:01:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:01:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:01:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:01:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:01:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:01:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:01:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:01:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:01:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:01:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:01:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:01:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:01:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:01:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:01:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:01:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:01:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:01:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:01:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:01:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:01:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:01:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:01:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 15:01:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 15:01:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:01:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 15:01:58,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:01:58,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222676439] [2024-11-16 15:01:58,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222676439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:01:58,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:01:58,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:01:58,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954459185] [2024-11-16 15:01:58,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:01:58,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:01:58,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:01:58,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:01:58,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:01:58,781 INFO L87 Difference]: Start difference. First operand 265 states and 410 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:01:58,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:01:58,958 INFO L93 Difference]: Finished difference Result 464 states and 718 transitions. [2024-11-16 15:01:58,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:01:58,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 217 [2024-11-16 15:01:58,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:01:58,962 INFO L225 Difference]: With dead ends: 464 [2024-11-16 15:01:58,962 INFO L226 Difference]: Without dead ends: 269 [2024-11-16 15:01:58,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:01:58,965 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 89 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:01:58,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 551 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:01:58,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-16 15:01:59,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 266. [2024-11-16 15:01:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 163 states have (on average 1.3067484662576687) internal successors, (213), 163 states have internal predecessors, (213), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:01:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 411 transitions. [2024-11-16 15:01:59,025 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 411 transitions. Word has length 217 [2024-11-16 15:01:59,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:01:59,028 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 411 transitions. [2024-11-16 15:01:59,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:01:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 411 transitions. [2024-11-16 15:01:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-16 15:01:59,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:01:59,031 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:01:59,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:01:59,031 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:01:59,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:01:59,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1177520185, now seen corresponding path program 1 times [2024-11-16 15:01:59,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:01:59,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213541664] [2024-11-16 15:01:59,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:01:59,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:01:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:02:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:02:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:02:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:02:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:02:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 15:02:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:02:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:02:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:02:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:02:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:02:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:02:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:02:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:02:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:02:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:02:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:02:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:02:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:02:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:02:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:02:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:02:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:02:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:02:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:02:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:02:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:02:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:02:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:02:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:02:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:02:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 15:02:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 15:02:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:02:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 15:02:00,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:02:00,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213541664] [2024-11-16 15:02:00,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213541664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:02:00,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:02:00,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 15:02:00,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682250813] [2024-11-16 15:02:00,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:02:00,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 15:02:00,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:02:00,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 15:02:00,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 15:02:00,728 INFO L87 Difference]: Start difference. First operand 266 states and 411 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:02:02,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:02:02,007 INFO L93 Difference]: Finished difference Result 621 states and 952 transitions. [2024-11-16 15:02:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 15:02:02,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 217 [2024-11-16 15:02:02,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:02:02,014 INFO L225 Difference]: With dead ends: 621 [2024-11-16 15:02:02,014 INFO L226 Difference]: Without dead ends: 425 [2024-11-16 15:02:02,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:02:02,017 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 425 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:02:02,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 564 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 15:02:02,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-16 15:02:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 404. [2024-11-16 15:02:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 246 states have (on average 1.2926829268292683) internal successors, (318), 247 states have internal predecessors, (318), 152 states have call successors, (152), 5 states have call predecessors, (152), 5 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-16 15:02:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 622 transitions. [2024-11-16 15:02:02,133 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 622 transitions. Word has length 217 [2024-11-16 15:02:02,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:02:02,134 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 622 transitions. [2024-11-16 15:02:02,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 15:02:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 622 transitions. [2024-11-16 15:02:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-16 15:02:02,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:02:02,137 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:02:02,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:02:02,138 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:02:02,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:02:02,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1374636776, now seen corresponding path program 1 times [2024-11-16 15:02:02,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:02:02,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504934227] [2024-11-16 15:02:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:02:02,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:02:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat