./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.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 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:27:56,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:27:56,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:27:56,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:27:56,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:27:56,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:27:56,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:27:56,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:27:56,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:27:56,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:27:56,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:27:56,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:27:56,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:27:56,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:27:56,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:27:56,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:27:56,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:27:56,906 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:27:56,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:27:56,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:27:56,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:27:56,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:27:56,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:27:56,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:27:56,910 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:27:56,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:27:56,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:27:56,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:27:56,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:27:56,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:27:56,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:27:56,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:27:56,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:27:56,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:27:56,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:27:56,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:27:56,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:27:56,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:27:56,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:27:56,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:27:56,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:27:56,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:27:56,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 [2024-11-16 14:27:57,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:27:57,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:27:57,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:27:57,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:27:57,199 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:27:57,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-16 14:27:58,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:27:58,783 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:27:58,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-16 14:27:58,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d362792/16a2b02f46494740a7ec521a368d794d/FLAG869495eeb [2024-11-16 14:27:58,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d362792/16a2b02f46494740a7ec521a368d794d [2024-11-16 14:27:58,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:27:58,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:27:58,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:27:58,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:27:58,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:27:58,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:27:58" (1/1) ... [2024-11-16 14:27:58,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44621121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:58, skipping insertion in model container [2024-11-16 14:27:58,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:27:58" (1/1) ... [2024-11-16 14:27:58,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:27:58,990 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-11-16 14:27:59,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:27:59,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:27:59,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-11-16 14:27:59,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:27:59,127 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:27:59,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59 WrapperNode [2024-11-16 14:27:59,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:27:59,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:27:59,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:27:59,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:27:59,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,174 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2024-11-16 14:27:59,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:27:59,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:27:59,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:27:59,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:27:59,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,186 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,200 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 14:27:59,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,207 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:27:59,215 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:27:59,216 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:27:59,216 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:27:59,216 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (1/1) ... [2024-11-16 14:27:59,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:27:59,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:27:59,256 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 14:27:59,258 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 14:27:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:27:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:27:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:27:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:27:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:27:59,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:27:59,397 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:27:59,403 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:27:59,772 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-16 14:27:59,774 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:27:59,796 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:27:59,797 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:27:59,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:27:59 BoogieIcfgContainer [2024-11-16 14:27:59,798 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:27:59,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:27:59,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:27:59,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:27:59,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:27:58" (1/3) ... [2024-11-16 14:27:59,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bacec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:27:59, skipping insertion in model container [2024-11-16 14:27:59,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:27:59" (2/3) ... [2024-11-16 14:27:59,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bacec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:27:59, skipping insertion in model container [2024-11-16 14:27:59,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:27:59" (3/3) ... [2024-11-16 14:27:59,805 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-11-16 14:27:59,817 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:27:59,817 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:27:59,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:27:59,866 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;@3cbe19c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:27:59,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:27:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 14:27:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 14:27:59,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:27:59,879 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:27:59,879 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:27:59,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:27:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1702157946, now seen corresponding path program 1 times [2024-11-16 14:27:59,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:27:59,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71634287] [2024-11-16 14:27:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:27:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:27:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:00,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71634287] [2024-11-16 14:28:00,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71634287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:00,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:00,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:28:00,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468402340] [2024-11-16 14:28:00,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:00,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:28:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:00,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:28:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:28:00,299 INFO L87 Difference]: Start difference. First operand has 100 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:28:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:00,338 INFO L93 Difference]: Finished difference Result 192 states and 334 transitions. [2024-11-16 14:28:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:28:00,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2024-11-16 14:28:00,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:00,346 INFO L225 Difference]: With dead ends: 192 [2024-11-16 14:28:00,346 INFO L226 Difference]: Without dead ends: 95 [2024-11-16 14:28:00,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:28:00,351 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:00,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:28:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-16 14:28:00,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-16 14:28:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 14:28:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-16 14:28:00,385 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 176 [2024-11-16 14:28:00,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:00,386 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-16 14:28:00,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:28:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-16 14:28:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 14:28:00,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:00,389 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:00,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:28:00,390 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:00,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:00,390 INFO L85 PathProgramCache]: Analyzing trace with hash -455791577, now seen corresponding path program 1 times [2024-11-16 14:28:00,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:00,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551402582] [2024-11-16 14:28:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:00,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:00,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551402582] [2024-11-16 14:28:00,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551402582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:00,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:00,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:28:00,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470187430] [2024-11-16 14:28:00,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:00,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:28:00,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:00,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:28:00,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:28:00,654 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:00,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:00,678 INFO L93 Difference]: Finished difference Result 188 states and 295 transitions. [2024-11-16 14:28:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:28:00,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-16 14:28:00,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:00,681 INFO L225 Difference]: With dead ends: 188 [2024-11-16 14:28:00,681 INFO L226 Difference]: Without dead ends: 96 [2024-11-16 14:28:00,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 14:28:00,682 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:00,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:28:00,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-16 14:28:00,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-16 14:28:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-16 14:28:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 149 transitions. [2024-11-16 14:28:00,691 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 149 transitions. Word has length 176 [2024-11-16 14:28:00,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:00,692 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 149 transitions. [2024-11-16 14:28:00,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2024-11-16 14:28:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 14:28:00,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:00,694 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:00,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:28:00,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:00,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash -966325754, now seen corresponding path program 1 times [2024-11-16 14:28:00,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:00,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749994052] [2024-11-16 14:28:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:00,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:01,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:01,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749994052] [2024-11-16 14:28:01,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749994052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:01,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:01,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:28:01,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142801577] [2024-11-16 14:28:01,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:01,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:28:01,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:28:01,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:28:01,072 INFO L87 Difference]: Start difference. First operand 96 states and 149 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:01,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:01,316 INFO L93 Difference]: Finished difference Result 284 states and 443 transitions. [2024-11-16 14:28:01,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:28:01,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-16 14:28:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:01,318 INFO L225 Difference]: With dead ends: 284 [2024-11-16 14:28:01,318 INFO L226 Difference]: Without dead ends: 191 [2024-11-16 14:28:01,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 14:28:01,320 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 154 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:01,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 492 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 14:28:01,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-16 14:28:01,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 144. [2024-11-16 14:28:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 87 states have internal predecessors, (115), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 14:28:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 223 transitions. [2024-11-16 14:28:01,354 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 223 transitions. Word has length 176 [2024-11-16 14:28:01,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:01,354 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 223 transitions. [2024-11-16 14:28:01,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 223 transitions. [2024-11-16 14:28:01,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 14:28:01,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:01,360 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:01,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:28:01,360 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:01,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:01,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1290585253, now seen corresponding path program 1 times [2024-11-16 14:28:01,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:01,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933959236] [2024-11-16 14:28:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:01,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:01,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933959236] [2024-11-16 14:28:01,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933959236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:01,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:01,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:28:01,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687797239] [2024-11-16 14:28:01,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:01,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:28:01,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:01,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:28:01,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:28:01,640 INFO L87 Difference]: Start difference. First operand 144 states and 223 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:01,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:01,704 INFO L93 Difference]: Finished difference Result 330 states and 515 transitions. [2024-11-16 14:28:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:28:01,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-16 14:28:01,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:01,709 INFO L225 Difference]: With dead ends: 330 [2024-11-16 14:28:01,709 INFO L226 Difference]: Without dead ends: 237 [2024-11-16 14:28:01,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 14:28:01,710 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 95 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:01,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 324 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:28:01,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-16 14:28:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2024-11-16 14:28:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:28:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 363 transitions. [2024-11-16 14:28:01,739 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 363 transitions. Word has length 176 [2024-11-16 14:28:01,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:01,739 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 363 transitions. [2024-11-16 14:28:01,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 363 transitions. [2024-11-16 14:28:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 14:28:01,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:01,741 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:01,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:28:01,742 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:01,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:01,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1501936166, now seen corresponding path program 1 times [2024-11-16 14:28:01,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:01,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942011960] [2024-11-16 14:28:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:01,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:10,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:10,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942011960] [2024-11-16 14:28:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942011960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:10,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:10,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 14:28:10,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146422073] [2024-11-16 14:28:10,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:10,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 14:28:10,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:10,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 14:28:10,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-16 14:28:10,958 INFO L87 Difference]: Start difference. First operand 234 states and 363 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:16,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:16,930 INFO L93 Difference]: Finished difference Result 505 states and 775 transitions. [2024-11-16 14:28:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 14:28:16,936 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-16 14:28:16,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:16,938 INFO L225 Difference]: With dead ends: 505 [2024-11-16 14:28:16,938 INFO L226 Difference]: Without dead ends: 412 [2024-11-16 14:28:16,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2024-11-16 14:28:16,944 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 683 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:16,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 1061 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-16 14:28:16,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-16 14:28:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 275. [2024-11-16 14:28:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 190 states have (on average 1.3894736842105264) internal successors, (264), 190 states have internal predecessors, (264), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:28:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 426 transitions. [2024-11-16 14:28:16,991 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 426 transitions. Word has length 176 [2024-11-16 14:28:16,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:16,992 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 426 transitions. [2024-11-16 14:28:16,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 426 transitions. [2024-11-16 14:28:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 14:28:16,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:16,997 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:16,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 14:28:16,998 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:16,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:16,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1285479321, now seen corresponding path program 1 times [2024-11-16 14:28:17,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:17,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550170414] [2024-11-16 14:28:17,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:17,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:17,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:17,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550170414] [2024-11-16 14:28:17,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550170414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:17,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:17,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:28:17,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903305225] [2024-11-16 14:28:17,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:17,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:28:17,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:28:17,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:28:17,099 INFO L87 Difference]: Start difference. First operand 275 states and 426 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:17,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:17,146 INFO L93 Difference]: Finished difference Result 460 states and 716 transitions. [2024-11-16 14:28:17,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:28:17,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-16 14:28:17,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:17,150 INFO L225 Difference]: With dead ends: 460 [2024-11-16 14:28:17,150 INFO L226 Difference]: Without dead ends: 367 [2024-11-16 14:28:17,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 14:28:17,151 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 139 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:17,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 318 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:28:17,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-16 14:28:17,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 274. [2024-11-16 14:28:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 189 states have internal predecessors, (262), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:28:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 424 transitions. [2024-11-16 14:28:17,176 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 424 transitions. Word has length 176 [2024-11-16 14:28:17,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:17,176 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 424 transitions. [2024-11-16 14:28:17,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 424 transitions. [2024-11-16 14:28:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 14:28:17,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:17,179 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:17,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 14:28:17,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:17,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2140276188, now seen corresponding path program 1 times [2024-11-16 14:28:17,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:17,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796613175] [2024-11-16 14:28:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:21,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:21,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796613175] [2024-11-16 14:28:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796613175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:21,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 14:28:21,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973764863] [2024-11-16 14:28:21,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:21,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 14:28:21,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:21,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 14:28:21,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-16 14:28:21,854 INFO L87 Difference]: Start difference. First operand 274 states and 424 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:25,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:25,295 INFO L93 Difference]: Finished difference Result 550 states and 839 transitions. [2024-11-16 14:28:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 14:28:25,295 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 14:28:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:25,299 INFO L225 Difference]: With dead ends: 550 [2024-11-16 14:28:25,305 INFO L226 Difference]: Without dead ends: 368 [2024-11-16 14:28:25,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2024-11-16 14:28:25,307 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 548 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:25,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 1208 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 14:28:25,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-16 14:28:25,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 276. [2024-11-16 14:28:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 191 states have (on average 1.382198952879581) internal successors, (264), 191 states have internal predecessors, (264), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:28:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 426 transitions. [2024-11-16 14:28:25,344 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 426 transitions. Word has length 177 [2024-11-16 14:28:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:25,348 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 426 transitions. [2024-11-16 14:28:25,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 426 transitions. [2024-11-16 14:28:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 14:28:25,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:25,351 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:25,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 14:28:25,351 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:25,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:25,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1208866599, now seen corresponding path program 1 times [2024-11-16 14:28:25,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:25,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986995229] [2024-11-16 14:28:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:25,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:25,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:25,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:25,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986995229] [2024-11-16 14:28:25,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986995229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:25,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:25,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:28:25,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901093123] [2024-11-16 14:28:25,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:25,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:28:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:25,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:28:25,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:28:25,602 INFO L87 Difference]: Start difference. First operand 276 states and 426 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:25,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:25,650 INFO L93 Difference]: Finished difference Result 481 states and 739 transitions. [2024-11-16 14:28:25,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:28:25,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 14:28:25,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:25,652 INFO L225 Difference]: With dead ends: 481 [2024-11-16 14:28:25,652 INFO L226 Difference]: Without dead ends: 296 [2024-11-16 14:28:25,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:28:25,653 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 68 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:25,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 296 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:28:25,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-16 14:28:25,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 284. [2024-11-16 14:28:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 197 states have (on average 1.3553299492385786) internal successors, (267), 197 states have internal predecessors, (267), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:28:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 429 transitions. [2024-11-16 14:28:25,673 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 429 transitions. Word has length 177 [2024-11-16 14:28:25,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:25,675 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 429 transitions. [2024-11-16 14:28:25,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:25,676 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 429 transitions. [2024-11-16 14:28:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 14:28:25,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:25,677 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:25,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 14:28:25,677 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:25,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1278646234, now seen corresponding path program 1 times [2024-11-16 14:28:25,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:25,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032371822] [2024-11-16 14:28:25,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:25,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:33,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:34,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:34,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032371822] [2024-11-16 14:28:34,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032371822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:34,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:34,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-16 14:28:34,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995153850] [2024-11-16 14:28:34,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:34,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 14:28:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:34,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 14:28:34,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-16 14:28:34,027 INFO L87 Difference]: Start difference. First operand 284 states and 429 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:28:44,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:44,584 INFO L93 Difference]: Finished difference Result 387 states and 567 transitions. [2024-11-16 14:28:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-16 14:28:44,585 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-11-16 14:28:44,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:44,587 INFO L225 Difference]: With dead ends: 387 [2024-11-16 14:28:44,589 INFO L226 Difference]: Without dead ends: 384 [2024-11-16 14:28:44,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=388, Invalid=1172, Unknown=0, NotChecked=0, Total=1560 [2024-11-16 14:28:44,590 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 903 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:44,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 1005 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 14:28:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-16 14:28:44,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 284. [2024-11-16 14:28:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 197 states have (on average 1.3553299492385786) internal successors, (267), 197 states have internal predecessors, (267), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:28:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 429 transitions. [2024-11-16 14:28:44,614 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 429 transitions. Word has length 177 [2024-11-16 14:28:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:44,615 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 429 transitions. [2024-11-16 14:28:44,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-16 14:28:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 429 transitions. [2024-11-16 14:28:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 14:28:44,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:44,618 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:44,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 14:28:44,618 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:44,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:44,619 INFO L85 PathProgramCache]: Analyzing trace with hash -144262931, now seen corresponding path program 1 times [2024-11-16 14:28:44,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:44,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282200331] [2024-11-16 14:28:44,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:28:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:28:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:28:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:28:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:28:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:28:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:28:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:28:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:28:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:28:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:28:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:28:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:28:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:28:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:28:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:28:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:28:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:28:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:28:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:28:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:28:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:28:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:28:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:28:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:28:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:28:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:28:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:28:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:28:49,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:28:49,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282200331] [2024-11-16 14:28:49,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282200331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:28:49,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:28:49,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 14:28:49,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266578863] [2024-11-16 14:28:49,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:28:49,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 14:28:49,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:28:49,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 14:28:49,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:28:49,595 INFO L87 Difference]: Start difference. First operand 284 states and 429 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:55,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:28:55,621 INFO L93 Difference]: Finished difference Result 414 states and 604 transitions. [2024-11-16 14:28:55,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 14:28:55,622 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 14:28:55,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:28:55,624 INFO L225 Difference]: With dead ends: 414 [2024-11-16 14:28:55,624 INFO L226 Difference]: Without dead ends: 411 [2024-11-16 14:28:55,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=322, Invalid=868, Unknown=0, NotChecked=0, Total=1190 [2024-11-16 14:28:55,625 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 521 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-16 14:28:55,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1184 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-16 14:28:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-16 14:28:55,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 303. [2024-11-16 14:28:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 216 states have (on average 1.3703703703703705) internal successors, (296), 216 states have internal predecessors, (296), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:28:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 458 transitions. [2024-11-16 14:28:55,644 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 458 transitions. Word has length 177 [2024-11-16 14:28:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:28:55,645 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 458 transitions. [2024-11-16 14:28:55,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:28:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 458 transitions. [2024-11-16 14:28:55,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 14:28:55,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:28:55,646 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:28:55,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 14:28:55,647 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:28:55,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:28:55,647 INFO L85 PathProgramCache]: Analyzing trace with hash -437665938, now seen corresponding path program 1 times [2024-11-16 14:28:55,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:28:55,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130117070] [2024-11-16 14:28:55,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:28:55,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:28:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:29:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:29:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:29:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:29:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:29:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:29:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:29:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:29:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:29:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:29:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:29:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:29:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:29:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:29:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:29:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:29:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:29:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:29:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:29:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:29:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:29:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:29:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:29:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:29:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:29:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:29:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:29:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:29:01,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:29:01,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130117070] [2024-11-16 14:29:01,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130117070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:29:01,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:29:01,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 14:29:01,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099213777] [2024-11-16 14:29:01,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:29:01,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 14:29:01,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:29:01,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 14:29:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:29:01,076 INFO L87 Difference]: Start difference. First operand 303 states and 458 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:29:04,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:29:04,752 INFO L93 Difference]: Finished difference Result 406 states and 596 transitions. [2024-11-16 14:29:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 14:29:04,753 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-16 14:29:04,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:29:04,756 INFO L225 Difference]: With dead ends: 406 [2024-11-16 14:29:04,756 INFO L226 Difference]: Without dead ends: 403 [2024-11-16 14:29:04,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 14:29:04,757 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 545 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:29:04,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1114 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 14:29:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-16 14:29:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 303. [2024-11-16 14:29:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 216 states have (on average 1.3703703703703705) internal successors, (296), 216 states have internal predecessors, (296), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:29:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 458 transitions. [2024-11-16 14:29:04,778 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 458 transitions. Word has length 177 [2024-11-16 14:29:04,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:29:04,778 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 458 transitions. [2024-11-16 14:29:04,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:29:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 458 transitions. [2024-11-16 14:29:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 14:29:04,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:29:04,781 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:29:04,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 14:29:04,781 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:29:04,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:29:04,782 INFO L85 PathProgramCache]: Analyzing trace with hash -486744408, now seen corresponding path program 1 times [2024-11-16 14:29:04,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:29:04,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335466515] [2024-11-16 14:29:04,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:29:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:29:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:29:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:29:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:29:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:29:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:29:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:29:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:29:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:29:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:29:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:29:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:29:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:29:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:29:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:29:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:29:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:29:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:29:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:29:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:29:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:29:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:29:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:29:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:29:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:29:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:29:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:29:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:29:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:29:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:29:10,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335466515] [2024-11-16 14:29:10,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335466515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:29:10,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:29:10,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 14:29:10,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228800762] [2024-11-16 14:29:10,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:29:10,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 14:29:10,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:29:10,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 14:29:10,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:29:10,595 INFO L87 Difference]: Start difference. First operand 303 states and 458 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:29:13,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:29:13,981 INFO L93 Difference]: Finished difference Result 383 states and 564 transitions. [2024-11-16 14:29:13,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 14:29:13,981 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-16 14:29:13,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:29:13,983 INFO L225 Difference]: With dead ends: 383 [2024-11-16 14:29:13,984 INFO L226 Difference]: Without dead ends: 380 [2024-11-16 14:29:13,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=267, Invalid=725, Unknown=0, NotChecked=0, Total=992 [2024-11-16 14:29:13,984 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 529 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 14:29:13,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1011 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 14:29:13,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-16 14:29:14,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 300. [2024-11-16 14:29:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 213 states have (on average 1.3708920187793427) internal successors, (292), 213 states have internal predecessors, (292), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:29:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 454 transitions. [2024-11-16 14:29:14,009 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 454 transitions. Word has length 178 [2024-11-16 14:29:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:29:14,009 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 454 transitions. [2024-11-16 14:29:14,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:29:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 454 transitions. [2024-11-16 14:29:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 14:29:14,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:29:14,011 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:29:14,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 14:29:14,011 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:29:14,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:29:14,011 INFO L85 PathProgramCache]: Analyzing trace with hash -759751882, now seen corresponding path program 1 times [2024-11-16 14:29:14,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:29:14,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397683128] [2024-11-16 14:29:14,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:29:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:29:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:29:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:29:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:29:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:29:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:29:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:29:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:29:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:29:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:29:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:29:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:29:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:29:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 14:29:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:29:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 14:29:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:29:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 14:29:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:29:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 14:29:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:29:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 14:29:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:29:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 14:29:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:29:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 14:29:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:29:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 14:29:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:29:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-16 14:29:19,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:29:19,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397683128] [2024-11-16 14:29:19,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397683128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:29:19,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:29:19,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 14:29:19,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648398524] [2024-11-16 14:29:19,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:29:19,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 14:29:19,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:29:19,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 14:29:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:29:19,892 INFO L87 Difference]: Start difference. First operand 300 states and 454 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:29:23,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:29:23,899 INFO L93 Difference]: Finished difference Result 407 states and 597 transitions. [2024-11-16 14:29:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 14:29:23,903 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-16 14:29:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:29:23,906 INFO L225 Difference]: With dead ends: 407 [2024-11-16 14:29:23,906 INFO L226 Difference]: Without dead ends: 404 [2024-11-16 14:29:23,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2024-11-16 14:29:23,907 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 761 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:29:23,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 983 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 14:29:23,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-16 14:29:23,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 312. [2024-11-16 14:29:23,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 225 states have (on average 1.3822222222222222) internal successors, (311), 225 states have internal predecessors, (311), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-16 14:29:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 473 transitions. [2024-11-16 14:29:23,929 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 473 transitions. Word has length 178 [2024-11-16 14:29:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:29:23,929 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 473 transitions. [2024-11-16 14:29:23,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-16 14:29:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 473 transitions. [2024-11-16 14:29:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 14:29:23,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:29:23,930 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:29:23,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 14:29:23,930 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:29:23,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:29:23,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1786081779, now seen corresponding path program 1 times [2024-11-16 14:29:23,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:29:23,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439917532] [2024-11-16 14:29:23,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:29:23,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:29:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat