./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-4.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-pe-co_file-4.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 2a893901067ae0432c16558f2b07e02825c27620f081523bfcd6a7f18ed4dc7d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:11:28,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:11:28,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:11:28,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:11:28,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:11:28,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:11:28,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:11:28,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:11:28,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:11:28,884 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:11:28,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:11:28,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:11:28,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:11:28,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:11:28,885 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:11:28,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:11:28,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:11:28,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:11:28,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:11:28,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:11:28,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:11:28,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:11:28,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:11:28,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:11:28,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:11:28,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:11:28,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:11:28,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:11:28,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:11:28,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:11:28,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:11:28,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:11:28,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:11:28,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:11:28,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:11:28,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:11:28,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:11:28,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:11:28,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:11:28,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:11:28,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:11:28,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:11:28,902 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a893901067ae0432c16558f2b07e02825c27620f081523bfcd6a7f18ed4dc7d [2024-11-16 14:11:29,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:11:29,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:11:29,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:11:29,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:11:29,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:11:29,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-4.i [2024-11-16 14:11:30,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:11:30,856 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:11:30,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-4.i [2024-11-16 14:11:30,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913cf85fb/1fa423d5037c4b58b1472507d8a2cbd7/FLAG47a3699dc [2024-11-16 14:11:30,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913cf85fb/1fa423d5037c4b58b1472507d8a2cbd7 [2024-11-16 14:11:30,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:11:30,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:11:30,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:11:30,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:11:30,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:11:30,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:11:30" (1/1) ... [2024-11-16 14:11:30,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a5b591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:30, skipping insertion in model container [2024-11-16 14:11:30,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:11:30" (1/1) ... [2024-11-16 14:11:30,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:11:31,149 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-4.i[918,931] [2024-11-16 14:11:31,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:11:31,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:11:31,257 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-4.i[918,931] [2024-11-16 14:11:31,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:11:31,316 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:11:31,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31 WrapperNode [2024-11-16 14:11:31,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:11:31,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:11:31,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:11:31,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:11:31,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,396 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 232 [2024-11-16 14:11:31,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:11:31,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:11:31,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:11:31,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:11:31,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,442 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 14:11:31,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:11:31,472 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:11:31,476 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:11:31,476 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:11:31,477 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (1/1) ... [2024-11-16 14:11:31,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:11:31,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:11:31,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 14:11:31,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 14:11:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:11:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:11:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:11:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:11:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:11:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:11:31,667 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:11:31,668 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:11:32,147 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-16 14:11:32,149 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:11:32,168 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:11:32,169 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:11:32,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:11:32 BoogieIcfgContainer [2024-11-16 14:11:32,169 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:11:32,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:11:32,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:11:32,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:11:32,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:11:30" (1/3) ... [2024-11-16 14:11:32,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256f1e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:11:32, skipping insertion in model container [2024-11-16 14:11:32,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:11:31" (2/3) ... [2024-11-16 14:11:32,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256f1e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:11:32, skipping insertion in model container [2024-11-16 14:11:32,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:11:32" (3/3) ... [2024-11-16 14:11:32,178 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-4.i [2024-11-16 14:11:32,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:11:32,191 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:11:32,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:11:32,262 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;@76148cf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:11:32,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:11:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 69 states have internal predecessors, (98), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 14:11:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-16 14:11:32,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:32,283 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:32,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:32,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:32,289 INFO L85 PathProgramCache]: Analyzing trace with hash 387734159, now seen corresponding path program 1 times [2024-11-16 14:11:32,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:32,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924064839] [2024-11-16 14:11:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:32,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:11:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:11:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:11:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:11:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:11:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:11:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:11:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 14:11:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 14:11:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 14:11:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 14:11:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 14:11:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 14:11:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 14:11:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 14:11:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:11:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:11:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:11:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:11:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:11:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:11:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:11:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:11:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:11:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 14:11:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:11:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:11:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:11:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:11:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:11:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:11:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 14:11:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:11:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 14:11:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:32,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 14:11:32,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:11:32,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924064839] [2024-11-16 14:11:32,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924064839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:11:32,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:11:32,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:11:32,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339575537] [2024-11-16 14:11:32,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:11:32,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:11:32,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:11:32,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:11:32,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:11:32,919 INFO L87 Difference]: Start difference. First operand has 105 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 69 states have internal predecessors, (98), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-16 14:11:32,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:11:32,956 INFO L93 Difference]: Finished difference Result 202 states and 359 transitions. [2024-11-16 14:11:32,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:11:32,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2024-11-16 14:11:32,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:11:32,977 INFO L225 Difference]: With dead ends: 202 [2024-11-16 14:11:32,977 INFO L226 Difference]: Without dead ends: 100 [2024-11-16 14:11:32,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:11:32,988 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:11:32,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:11:33,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-16 14:11:33,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-16 14:11:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 14:11:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 157 transitions. [2024-11-16 14:11:33,035 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 157 transitions. Word has length 217 [2024-11-16 14:11:33,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:11:33,036 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 157 transitions. [2024-11-16 14:11:33,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-16 14:11:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2024-11-16 14:11:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-16 14:11:33,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:33,041 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:33,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:11:33,042 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:33,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:33,044 INFO L85 PathProgramCache]: Analyzing trace with hash 519801984, now seen corresponding path program 1 times [2024-11-16 14:11:33,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:33,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024547351] [2024-11-16 14:11:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:11:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:11:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:11:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:11:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:11:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:11:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:11:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 14:11:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 14:11:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 14:11:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 14:11:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 14:11:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 14:11:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 14:11:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 14:11:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:11:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:11:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:11:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:11:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:11:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:11:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:11:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:11:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:11:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 14:11:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:11:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:11:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:11:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:11:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:11:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:11:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 14:11:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:11:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 14:11:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 14:11:33,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:11:33,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024547351] [2024-11-16 14:11:33,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024547351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:11:33,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:11:33,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:11:33,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570857568] [2024-11-16 14:11:33,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:11:33,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:11:33,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:11:33,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:11:33,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:11:33,838 INFO L87 Difference]: Start difference. First operand 100 states and 157 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:33,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:11:33,971 INFO L93 Difference]: Finished difference Result 294 states and 465 transitions. [2024-11-16 14:11:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:11:33,972 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-16 14:11:33,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:11:33,977 INFO L225 Difference]: With dead ends: 294 [2024-11-16 14:11:33,979 INFO L226 Difference]: Without dead ends: 197 [2024-11-16 14:11:33,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 14:11:33,984 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 80 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:11:33,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 292 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:11:33,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-16 14:11:34,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 193. [2024-11-16 14:11:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.3934426229508197) internal successors, (170), 122 states have internal predecessors, (170), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-16 14:11:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 306 transitions. [2024-11-16 14:11:34,051 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 306 transitions. Word has length 218 [2024-11-16 14:11:34,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:11:34,051 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 306 transitions. [2024-11-16 14:11:34,052 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 306 transitions. [2024-11-16 14:11:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-16 14:11:34,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:34,058 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:34,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:11:34,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:34,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:34,059 INFO L85 PathProgramCache]: Analyzing trace with hash -775064307, now seen corresponding path program 1 times [2024-11-16 14:11:34,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:34,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25096997] [2024-11-16 14:11:34,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:34,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:11:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:11:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:11:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:11:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:11:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:11:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:11:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 14:11:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 14:11:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 14:11:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 14:11:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 14:11:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 14:11:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 14:11:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 14:11:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:11:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:11:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:11:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:11:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:11:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:11:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:11:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:11:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:11:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 14:11:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:11:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:11:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:11:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:11:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:11:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:11:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 14:11:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:11:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 14:11:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 14:11:34,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:11:34,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25096997] [2024-11-16 14:11:34,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25096997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:11:34,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:11:34,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:11:34,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489313739] [2024-11-16 14:11:34,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:11:34,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:11:34,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:11:34,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:11:34,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:11:34,291 INFO L87 Difference]: Start difference. First operand 193 states and 306 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:34,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:11:34,361 INFO L93 Difference]: Finished difference Result 377 states and 591 transitions. [2024-11-16 14:11:34,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:11:34,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-16 14:11:34,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:11:34,371 INFO L225 Difference]: With dead ends: 377 [2024-11-16 14:11:34,371 INFO L226 Difference]: Without dead ends: 280 [2024-11-16 14:11:34,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 14:11:34,373 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 61 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:11:34,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 299 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:11:34,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-16 14:11:34,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 275. [2024-11-16 14:11:34,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 198 states have (on average 1.4494949494949494) internal successors, (287), 200 states have internal predecessors, (287), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-16 14:11:34,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 431 transitions. [2024-11-16 14:11:34,422 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 431 transitions. Word has length 219 [2024-11-16 14:11:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:11:34,423 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 431 transitions. [2024-11-16 14:11:34,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 431 transitions. [2024-11-16 14:11:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-16 14:11:34,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:34,429 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:34,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:11:34,430 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:34,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:34,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1192965267, now seen corresponding path program 1 times [2024-11-16 14:11:34,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:34,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732863205] [2024-11-16 14:11:34,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:34,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:11:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:11:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:11:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:11:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:11:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:11:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:11:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 14:11:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 14:11:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 14:11:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 14:11:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 14:11:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 14:11:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 14:11:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 14:11:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:11:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:11:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:11:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:11:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:11:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:11:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:11:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:11:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:11:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 14:11:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:11:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:11:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:11:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:11:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:11:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:11:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 14:11:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:11:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 14:11:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 14:11:35,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:11:35,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732863205] [2024-11-16 14:11:35,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732863205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:11:35,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:11:35,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:11:35,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133760763] [2024-11-16 14:11:35,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:11:35,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:11:35,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:11:35,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:11:35,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:11:35,364 INFO L87 Difference]: Start difference. First operand 275 states and 431 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:35,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:11:35,465 INFO L93 Difference]: Finished difference Result 786 states and 1229 transitions. [2024-11-16 14:11:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:11:35,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-16 14:11:35,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:11:35,471 INFO L225 Difference]: With dead ends: 786 [2024-11-16 14:11:35,471 INFO L226 Difference]: Without dead ends: 514 [2024-11-16 14:11:35,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:11:35,474 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 176 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:11:35,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 321 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:11:35,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-16 14:11:35,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 332. [2024-11-16 14:11:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 255 states have (on average 1.4313725490196079) internal successors, (365), 257 states have internal predecessors, (365), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-16 14:11:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 509 transitions. [2024-11-16 14:11:35,523 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 509 transitions. Word has length 219 [2024-11-16 14:11:35,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:11:35,525 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 509 transitions. [2024-11-16 14:11:35,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 509 transitions. [2024-11-16 14:11:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-16 14:11:35,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:35,528 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:35,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:11:35,529 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:35,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:35,529 INFO L85 PathProgramCache]: Analyzing trace with hash 834521124, now seen corresponding path program 1 times [2024-11-16 14:11:35,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:35,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464817798] [2024-11-16 14:11:35,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:35,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:11:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:11:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:11:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:11:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:11:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:11:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:11:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 14:11:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 14:11:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 14:11:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 14:11:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 14:11:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 14:11:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 14:11:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 14:11:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:11:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:11:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:11:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:11:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:11:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:11:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:11:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:11:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:11:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 14:11:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:11:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:11:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:11:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:11:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:11:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:11:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 14:11:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:11:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 14:11:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 14:11:42,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:11:42,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464817798] [2024-11-16 14:11:42,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464817798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:11:42,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:11:42,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 14:11:42,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011076484] [2024-11-16 14:11:42,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:11:42,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 14:11:42,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:11:42,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 14:11:42,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 14:11:42,328 INFO L87 Difference]: Start difference. First operand 332 states and 509 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:44,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:11:44,203 INFO L93 Difference]: Finished difference Result 966 states and 1476 transitions. [2024-11-16 14:11:44,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 14:11:44,204 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-16 14:11:44,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:11:44,208 INFO L225 Difference]: With dead ends: 966 [2024-11-16 14:11:44,208 INFO L226 Difference]: Without dead ends: 637 [2024-11-16 14:11:44,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-16 14:11:44,210 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 392 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:11:44,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 787 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 14:11:44,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-16 14:11:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 432. [2024-11-16 14:11:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 319 states have (on average 1.4075235109717867) internal successors, (449), 321 states have internal predecessors, (449), 106 states have call successors, (106), 6 states have call predecessors, (106), 6 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-16 14:11:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 661 transitions. [2024-11-16 14:11:44,272 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 661 transitions. Word has length 220 [2024-11-16 14:11:44,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:11:44,273 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 661 transitions. [2024-11-16 14:11:44,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 661 transitions. [2024-11-16 14:11:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-16 14:11:44,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:44,275 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:44,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 14:11:44,277 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:44,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:44,277 INFO L85 PathProgramCache]: Analyzing trace with hash -861973306, now seen corresponding path program 1 times [2024-11-16 14:11:44,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:44,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081909824] [2024-11-16 14:11:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:11:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:11:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:11:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:11:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:11:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:11:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:11:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 14:11:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 14:11:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 14:11:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 14:11:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 14:11:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 14:11:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 14:11:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 14:11:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:11:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:11:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:11:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:11:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:11:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:11:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:11:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:11:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:11:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 14:11:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:11:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:11:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:11:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:11:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:11:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:11:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 14:11:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:11:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 14:11:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 14:11:44,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:11:44,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081909824] [2024-11-16 14:11:44,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081909824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:11:44,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:11:44,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:11:44,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542727051] [2024-11-16 14:11:44,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:11:44,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:11:44,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:11:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:11:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:11:44,594 INFO L87 Difference]: Start difference. First operand 432 states and 661 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:11:44,983 INFO L93 Difference]: Finished difference Result 1075 states and 1669 transitions. [2024-11-16 14:11:44,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:11:44,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-16 14:11:44,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:11:44,989 INFO L225 Difference]: With dead ends: 1075 [2024-11-16 14:11:44,989 INFO L226 Difference]: Without dead ends: 746 [2024-11-16 14:11:44,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:11:44,993 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 223 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 14:11:44,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 502 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 14:11:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-16 14:11:45,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 668. [2024-11-16 14:11:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 479 states have (on average 1.4008350730688934) internal successors, (671), 483 states have internal predecessors, (671), 178 states have call successors, (178), 10 states have call predecessors, (178), 10 states have return successors, (178), 174 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-16 14:11:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1027 transitions. [2024-11-16 14:11:45,120 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1027 transitions. Word has length 220 [2024-11-16 14:11:45,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:11:45,121 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 1027 transitions. [2024-11-16 14:11:45,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 14:11:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1027 transitions. [2024-11-16 14:11:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-16 14:11:45,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:45,125 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:45,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 14:11:45,125 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:45,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:45,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1270797531, now seen corresponding path program 1 times [2024-11-16 14:11:45,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:45,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455339642] [2024-11-16 14:11:45,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:45,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:11:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:11:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:11:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:11:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:11:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:11:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:11:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 14:11:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 14:11:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 14:11:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 14:11:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 14:11:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 14:11:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 14:11:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 14:11:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 14:11:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 14:11:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:11:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:11:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 14:11:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 14:11:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 14:11:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 14:11:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:11:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 14:11:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 14:11:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:11:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:11:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 14:11:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:11:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 14:11:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 14:11:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 14:11:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 14:11:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 51 proven. 141 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-11-16 14:11:46,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:11:46,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455339642] [2024-11-16 14:11:46,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455339642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 14:11:46,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132883639] [2024-11-16 14:11:46,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:46,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 14:11:46,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:11:46,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 14:11:46,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 14:11:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:11:46,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-16 14:11:46,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 14:11:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 735 proven. 18 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2024-11-16 14:11:47,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 14:11:48,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132883639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 14:11:48,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 14:11:48,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 16 [2024-11-16 14:11:48,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155840051] [2024-11-16 14:11:48,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 14:11:48,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 14:11:48,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:11:48,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 14:11:48,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-16 14:11:48,281 INFO L87 Difference]: Start difference. First operand 668 states and 1027 transitions. Second operand has 16 states, 16 states have (on average 6.625) internal successors, (106), 16 states have internal predecessors, (106), 5 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) [2024-11-16 14:11:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:11:52,612 INFO L93 Difference]: Finished difference Result 1817 states and 2738 transitions. [2024-11-16 14:11:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-16 14:11:52,613 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.625) internal successors, (106), 16 states have internal predecessors, (106), 5 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) Word has length 220 [2024-11-16 14:11:52,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:11:52,622 INFO L225 Difference]: With dead ends: 1817 [2024-11-16 14:11:52,622 INFO L226 Difference]: Without dead ends: 1226 [2024-11-16 14:11:52,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=781, Invalid=2879, Unknown=0, NotChecked=0, Total=3660 [2024-11-16 14:11:52,626 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 995 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 581 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-16 14:11:52,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 1258 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [581 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-16 14:11:52,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-11-16 14:11:52,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1096. [2024-11-16 14:11:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 800 states have (on average 1.37) internal successors, (1096), 809 states have internal predecessors, (1096), 268 states have call successors, (268), 27 states have call predecessors, (268), 27 states have return successors, (268), 259 states have call predecessors, (268), 268 states have call successors, (268) [2024-11-16 14:11:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1632 transitions. [2024-11-16 14:11:52,764 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1632 transitions. Word has length 220 [2024-11-16 14:11:52,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:11:52,767 INFO L471 AbstractCegarLoop]: Abstraction has 1096 states and 1632 transitions. [2024-11-16 14:11:52,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.625) internal successors, (106), 16 states have internal predecessors, (106), 5 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) [2024-11-16 14:11:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1632 transitions. [2024-11-16 14:11:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-16 14:11:52,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:11:52,772 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:11:52,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 14:11:52,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 14:11:52,973 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:11:52,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:11:52,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1689804046, now seen corresponding path program 1 times [2024-11-16 14:11:52,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:11:52,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590458097] [2024-11-16 14:11:52,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:11:52,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:11:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:12:08,574 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)