./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-34.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_fillercodesize_ps-cn-10_file-34.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 a356de088718b875f6f2396a50433e83aa6fe2b03aff9fb8f00ce9106af95d3b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:58:49,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:58:49,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:58:49,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:58:49,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:58:49,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:58:49,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:58:49,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:58:49,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:58:49,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:58:49,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:58:49,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:58:49,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:58:49,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:58:49,852 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:58:49,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:58:49,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:58:49,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:58:49,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:58:49,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:58:49,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:58:49,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:58:49,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:58:49,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:58:49,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:58:49,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:58:49,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:58:49,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:58:49,860 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:58:49,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:58:49,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:58:49,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:58:49,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:58:49,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:58:49,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:58:49,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:58:49,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:58:49,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:58:49,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:58:49,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:58:49,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:58:49,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:58:49,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a356de088718b875f6f2396a50433e83aa6fe2b03aff9fb8f00ce9106af95d3b [2024-11-16 12:58:50,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:58:50,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:58:50,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:58:50,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:58:50,147 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:58:50,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-34.i [2024-11-16 12:58:51,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:58:51,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:58:51,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-34.i [2024-11-16 12:58:51,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0953e55/eb8523d5e5344a7db2b6a65ffff311f8/FLAGb5f6b4f5d [2024-11-16 12:58:51,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d0953e55/eb8523d5e5344a7db2b6a65ffff311f8 [2024-11-16 12:58:51,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:58:51,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:58:51,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:58:51,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:58:51,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:58:51,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:58:51" (1/1) ... [2024-11-16 12:58:51,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639d925d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:51, skipping insertion in model container [2024-11-16 12:58:51,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:58:51" (1/1) ... [2024-11-16 12:58:51,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:58:52,075 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_fillercodesize_ps-cn-10_file-34.i[915,928] [2024-11-16 12:58:52,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:58:52,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:58:52,220 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_fillercodesize_ps-cn-10_file-34.i[915,928] [2024-11-16 12:58:52,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:58:52,291 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:58:52,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52 WrapperNode [2024-11-16 12:58:52,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:58:52,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:58:52,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:58:52,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:58:52,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,345 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 223 [2024-11-16 12:58:52,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:58:52,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:58:52,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:58:52,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:58:52,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,380 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 12:58:52,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:58:52,418 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:58:52,419 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:58:52,419 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:58:52,420 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (1/1) ... [2024-11-16 12:58:52,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:58:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:58:52,456 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 12:58:52,459 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 12:58:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:58:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:58:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:58:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:58:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:58:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:58:52,617 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:58:52,619 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:58:52,999 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: havoc property_#t~bitwise19#1;havoc property_#t~ite21#1;havoc property_#t~bitwise20#1;havoc property_#t~short22#1; [2024-11-16 12:58:53,055 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-16 12:58:53,056 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:58:53,085 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:58:53,086 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:58:53,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:58:53 BoogieIcfgContainer [2024-11-16 12:58:53,086 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:58:53,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:58:53,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:58:53,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:58:53,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:58:51" (1/3) ... [2024-11-16 12:58:53,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39707fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:58:53, skipping insertion in model container [2024-11-16 12:58:53,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:58:52" (2/3) ... [2024-11-16 12:58:53,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39707fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:58:53, skipping insertion in model container [2024-11-16 12:58:53,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:58:53" (3/3) ... [2024-11-16 12:58:53,098 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-34.i [2024-11-16 12:58:53,114 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:58:53,115 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:58:53,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:58:53,182 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;@7b226f75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:58:53,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:58:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 12:58:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-16 12:58:53,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:58:53,199 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:53,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:58:53,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:58:53,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1584925137, now seen corresponding path program 1 times [2024-11-16 12:58:53,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:58:53,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246144105] [2024-11-16 12:58:53,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:58:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:58:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:58:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:58:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:58:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:58:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:58:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:58:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:58:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:58:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:58:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:58:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:58:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:58:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:58:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:58:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:58:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:58:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:58:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:58:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:58:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:58:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:58:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:58:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:53,735 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:58:53,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:58:53,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246144105] [2024-11-16 12:58:53,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246144105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:58:53,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:58:53,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:58:53,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633367068] [2024-11-16 12:58:53,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:58:53,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:58:53,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:58:53,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:58:53,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:58:53,780 INFO L87 Difference]: Start difference. First operand has 89 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-16 12:58:53,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:58:53,829 INFO L93 Difference]: Finished difference Result 170 states and 285 transitions. [2024-11-16 12:58:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:58:53,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-11-16 12:58:53,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:58:53,844 INFO L225 Difference]: With dead ends: 170 [2024-11-16 12:58:53,845 INFO L226 Difference]: Without dead ends: 84 [2024-11-16 12:58:53,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 12:58:53,854 INFO L432 NwaCegarLoop]: 123 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, 123 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 12:58:53,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:58:53,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-16 12:58:53,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-16 12:58:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 60 states have internal predecessors, (83), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 12:58:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 127 transitions. [2024-11-16 12:58:53,908 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 127 transitions. Word has length 147 [2024-11-16 12:58:53,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:58:53,908 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 127 transitions. [2024-11-16 12:58:53,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-16 12:58:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2024-11-16 12:58:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-16 12:58:53,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:58:53,914 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:53,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:58:53,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:58:53,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:58:53,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1477221391, now seen corresponding path program 1 times [2024-11-16 12:58:53,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:58:53,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408433189] [2024-11-16 12:58:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:58:53,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:58:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:58:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:58:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:58:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:58:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:58:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:58:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:58:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:58:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:58:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:58:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:58:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:58:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:58:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:58:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:58:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:58:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:58:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:58:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:58:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:58:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:58:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:58:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:58:54,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:58:54,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408433189] [2024-11-16 12:58:54,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408433189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:58:54,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:58:54,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 12:58:54,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997007020] [2024-11-16 12:58:54,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:58:54,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 12:58:54,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:58:54,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 12:58:54,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:58:54,634 INFO L87 Difference]: Start difference. First operand 84 states and 127 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:58:54,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:58:54,837 INFO L93 Difference]: Finished difference Result 278 states and 422 transitions. [2024-11-16 12:58:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:58:54,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2024-11-16 12:58:54,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:58:54,845 INFO L225 Difference]: With dead ends: 278 [2024-11-16 12:58:54,845 INFO L226 Difference]: Without dead ends: 197 [2024-11-16 12:58:54,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:58:54,847 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 139 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:58:54,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 386 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:58:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-16 12:58:54,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 164. [2024-11-16 12:58:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 117 states have internal predecessors, (162), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-16 12:58:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2024-11-16 12:58:54,886 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 147 [2024-11-16 12:58:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:58:54,887 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2024-11-16 12:58:54,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:58:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2024-11-16 12:58:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-16 12:58:54,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:58:54,890 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:54,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:58:54,891 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:58:54,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:58:54,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1737271393, now seen corresponding path program 1 times [2024-11-16 12:58:54,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:58:54,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635973736] [2024-11-16 12:58:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:58:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:58:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:58:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:58:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:58:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:58:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:58:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:58:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:58:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:58:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:58:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:58:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:58:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:58:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:58:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:58:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:58:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:58:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:58:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:58:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:58:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:58:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:58:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:58:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:58:55,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:58:55,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635973736] [2024-11-16 12:58:55,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635973736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:58:55,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:58:55,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:58:55,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142854086] [2024-11-16 12:58:55,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:58:55,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:58:55,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:58:55,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:58:55,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:58:55,226 INFO L87 Difference]: Start difference. First operand 164 states and 250 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:58:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:58:55,529 INFO L93 Difference]: Finished difference Result 482 states and 734 transitions. [2024-11-16 12:58:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:58:55,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2024-11-16 12:58:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:58:55,535 INFO L225 Difference]: With dead ends: 482 [2024-11-16 12:58:55,535 INFO L226 Difference]: Without dead ends: 321 [2024-11-16 12:58:55,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 12:58:55,538 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 153 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:58:55,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 480 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:58:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-16 12:58:55,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 168. [2024-11-16 12:58:55,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 121 states have (on average 1.371900826446281) internal successors, (166), 121 states have internal predecessors, (166), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-16 12:58:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 254 transitions. [2024-11-16 12:58:55,582 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 254 transitions. Word has length 148 [2024-11-16 12:58:55,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:58:55,582 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 254 transitions. [2024-11-16 12:58:55,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:58:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2024-11-16 12:58:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 12:58:55,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:58:55,588 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:55,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:58:55,589 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:58:55,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:58:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash -389631598, now seen corresponding path program 1 times [2024-11-16 12:58:55,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:58:55,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658773887] [2024-11-16 12:58:55,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:58:55,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:58:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:58:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:58:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:58:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:58:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:58:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:58:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:58:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:58:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:58:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:58:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:58:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:58:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:58:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:58:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:58:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:58:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:58:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:58:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:58:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:58:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:58:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:58:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:58:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:58:58,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:58:58,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658773887] [2024-11-16 12:58:58,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658773887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:58:58,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:58:58,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 12:58:58,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177548704] [2024-11-16 12:58:58,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:58:58,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 12:58:58,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:58:58,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 12:58:58,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 12:58:58,160 INFO L87 Difference]: Start difference. First operand 168 states and 254 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:58:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:58:58,642 INFO L93 Difference]: Finished difference Result 516 states and 773 transitions. [2024-11-16 12:58:58,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 12:58:58,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-16 12:58:58,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:58:58,648 INFO L225 Difference]: With dead ends: 516 [2024-11-16 12:58:58,648 INFO L226 Difference]: Without dead ends: 351 [2024-11-16 12:58:58,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:58:58,653 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 194 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:58:58,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 411 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:58:58,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-16 12:58:58,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 231. [2024-11-16 12:58:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 161 states have (on average 1.3540372670807452) internal successors, (218), 161 states have internal predecessors, (218), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:58:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 350 transitions. [2024-11-16 12:58:58,712 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 350 transitions. Word has length 149 [2024-11-16 12:58:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:58:58,712 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 350 transitions. [2024-11-16 12:58:58,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:58:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 350 transitions. [2024-11-16 12:58:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 12:58:58,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:58:58,717 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:58,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 12:58:58,718 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:58:58,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:58:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1181806825, now seen corresponding path program 1 times [2024-11-16 12:58:58,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:58:58,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347423718] [2024-11-16 12:58:58,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:58:58,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:58:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:09,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:09,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347423718] [2024-11-16 12:59:09,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347423718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:09,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:09,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 12:59:09,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300792295] [2024-11-16 12:59:09,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:09,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 12:59:09,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:09,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 12:59:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:59:09,584 INFO L87 Difference]: Start difference. First operand 231 states and 350 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:11,987 INFO L93 Difference]: Finished difference Result 578 states and 853 transitions. [2024-11-16 12:59:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 12:59:11,988 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-16 12:59:11,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:11,991 INFO L225 Difference]: With dead ends: 578 [2024-11-16 12:59:11,991 INFO L226 Difference]: Without dead ends: 413 [2024-11-16 12:59:11,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-16 12:59:11,992 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 680 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:11,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 625 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 12:59:11,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-16 12:59:12,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 245. [2024-11-16 12:59:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 175 states have (on average 1.3485714285714285) internal successors, (236), 175 states have internal predecessors, (236), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 368 transitions. [2024-11-16 12:59:12,023 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 368 transitions. Word has length 149 [2024-11-16 12:59:12,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:12,024 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 368 transitions. [2024-11-16 12:59:12,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 368 transitions. [2024-11-16 12:59:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 12:59:12,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:12,026 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:12,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 12:59:12,027 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:12,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:12,027 INFO L85 PathProgramCache]: Analyzing trace with hash 561003510, now seen corresponding path program 1 times [2024-11-16 12:59:12,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:12,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404161535] [2024-11-16 12:59:12,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:12,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:14,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:14,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404161535] [2024-11-16 12:59:14,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404161535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:14,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:14,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:59:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265955526] [2024-11-16 12:59:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:14,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:59:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:59:14,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:59:14,392 INFO L87 Difference]: Start difference. First operand 245 states and 368 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:15,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:15,459 INFO L93 Difference]: Finished difference Result 610 states and 904 transitions. [2024-11-16 12:59:15,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:59:15,460 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-16 12:59:15,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:15,465 INFO L225 Difference]: With dead ends: 610 [2024-11-16 12:59:15,465 INFO L226 Difference]: Without dead ends: 445 [2024-11-16 12:59:15,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:59:15,466 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 411 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:15,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 457 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 12:59:15,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-16 12:59:15,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 286. [2024-11-16 12:59:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 216 states have (on average 1.3657407407407407) internal successors, (295), 216 states have internal predecessors, (295), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 427 transitions. [2024-11-16 12:59:15,496 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 427 transitions. Word has length 149 [2024-11-16 12:59:15,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:15,496 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 427 transitions. [2024-11-16 12:59:15,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:15,497 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 427 transitions. [2024-11-16 12:59:15,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 12:59:15,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:15,498 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:15,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 12:59:15,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:15,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:15,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1378320330, now seen corresponding path program 1 times [2024-11-16 12:59:15,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:15,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460010231] [2024-11-16 12:59:15,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:20,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:20,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460010231] [2024-11-16 12:59:20,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460010231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:20,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:20,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:59:20,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219437682] [2024-11-16 12:59:20,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:20,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:59:20,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:20,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:59:20,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:59:20,819 INFO L87 Difference]: Start difference. First operand 286 states and 427 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:22,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:22,253 INFO L93 Difference]: Finished difference Result 682 states and 997 transitions. [2024-11-16 12:59:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:59:22,254 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-16 12:59:22,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:22,257 INFO L225 Difference]: With dead ends: 682 [2024-11-16 12:59:22,257 INFO L226 Difference]: Without dead ends: 474 [2024-11-16 12:59:22,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-16 12:59:22,259 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 323 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:22,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 585 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 12:59:22,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-16 12:59:22,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 389. [2024-11-16 12:59:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 319 states have (on average 1.3855799373040751) internal successors, (442), 319 states have internal predecessors, (442), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 574 transitions. [2024-11-16 12:59:22,287 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 574 transitions. Word has length 149 [2024-11-16 12:59:22,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:22,287 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 574 transitions. [2024-11-16 12:59:22,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 574 transitions. [2024-11-16 12:59:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-16 12:59:22,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:22,289 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:22,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 12:59:22,289 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:22,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:22,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1117920211, now seen corresponding path program 1 times [2024-11-16 12:59:22,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:22,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631678032] [2024-11-16 12:59:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:22,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:22,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:22,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631678032] [2024-11-16 12:59:22,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631678032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:22,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:22,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 12:59:22,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535473757] [2024-11-16 12:59:22,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:22,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 12:59:22,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:22,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 12:59:22,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:59:22,642 INFO L87 Difference]: Start difference. First operand 389 states and 574 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:22,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:22,905 INFO L93 Difference]: Finished difference Result 613 states and 909 transitions. [2024-11-16 12:59:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:59:22,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-16 12:59:22,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:22,908 INFO L225 Difference]: With dead ends: 613 [2024-11-16 12:59:22,908 INFO L226 Difference]: Without dead ends: 388 [2024-11-16 12:59:22,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:59:22,910 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 90 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:22,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 306 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:59:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-16 12:59:22,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 357. [2024-11-16 12:59:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 287 states have (on average 1.3519163763066202) internal successors, (388), 287 states have internal predecessors, (388), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 520 transitions. [2024-11-16 12:59:22,941 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 520 transitions. Word has length 149 [2024-11-16 12:59:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:22,942 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 520 transitions. [2024-11-16 12:59:22,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 520 transitions. [2024-11-16 12:59:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 12:59:22,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:22,944 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:22,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 12:59:22,944 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:22,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:22,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1887524931, now seen corresponding path program 1 times [2024-11-16 12:59:22,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:22,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450373607] [2024-11-16 12:59:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:22,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:25,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:25,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450373607] [2024-11-16 12:59:25,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450373607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:25,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:25,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:59:25,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129052294] [2024-11-16 12:59:25,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:25,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:59:25,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:59:25,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:59:25,276 INFO L87 Difference]: Start difference. First operand 357 states and 520 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:26,353 INFO L93 Difference]: Finished difference Result 719 states and 1035 transitions. [2024-11-16 12:59:26,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 12:59:26,353 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-16 12:59:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:26,356 INFO L225 Difference]: With dead ends: 719 [2024-11-16 12:59:26,356 INFO L226 Difference]: Without dead ends: 554 [2024-11-16 12:59:26,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-16 12:59:26,358 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 336 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:26,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 646 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 12:59:26,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-16 12:59:26,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 373. [2024-11-16 12:59:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 301 states have (on average 1.3421926910299002) internal successors, (404), 301 states have internal predecessors, (404), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 536 transitions. [2024-11-16 12:59:26,396 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 536 transitions. Word has length 150 [2024-11-16 12:59:26,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:26,397 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 536 transitions. [2024-11-16 12:59:26,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 536 transitions. [2024-11-16 12:59:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 12:59:26,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:26,399 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:26,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 12:59:26,399 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:26,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:26,400 INFO L85 PathProgramCache]: Analyzing trace with hash -941990392, now seen corresponding path program 1 times [2024-11-16 12:59:26,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:26,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719624568] [2024-11-16 12:59:26,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:32,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:32,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719624568] [2024-11-16 12:59:32,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719624568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:32,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:32,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 12:59:32,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005322214] [2024-11-16 12:59:32,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:32,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 12:59:32,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:32,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 12:59:32,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:59:32,481 INFO L87 Difference]: Start difference. First operand 373 states and 536 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:34,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:34,363 INFO L93 Difference]: Finished difference Result 816 states and 1145 transitions. [2024-11-16 12:59:34,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 12:59:34,364 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-16 12:59:34,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:34,367 INFO L225 Difference]: With dead ends: 816 [2024-11-16 12:59:34,367 INFO L226 Difference]: Without dead ends: 536 [2024-11-16 12:59:34,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2024-11-16 12:59:34,369 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 229 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:34,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 947 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 12:59:34,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-16 12:59:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 410. [2024-11-16 12:59:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 338 states have (on average 1.334319526627219) internal successors, (451), 338 states have internal predecessors, (451), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 583 transitions. [2024-11-16 12:59:34,403 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 583 transitions. Word has length 150 [2024-11-16 12:59:34,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:34,404 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 583 transitions. [2024-11-16 12:59:34,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 583 transitions. [2024-11-16 12:59:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 12:59:34,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:34,406 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:34,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 12:59:34,406 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:34,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:34,406 INFO L85 PathProgramCache]: Analyzing trace with hash -482270477, now seen corresponding path program 1 times [2024-11-16 12:59:34,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:34,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725074827] [2024-11-16 12:59:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:34,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:42,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:42,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725074827] [2024-11-16 12:59:42,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725074827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:42,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:42,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 12:59:42,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713418631] [2024-11-16 12:59:42,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:42,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 12:59:42,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 12:59:42,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-16 12:59:42,844 INFO L87 Difference]: Start difference. First operand 410 states and 583 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-16 12:59:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:45,770 INFO L93 Difference]: Finished difference Result 722 states and 1000 transitions. [2024-11-16 12:59:45,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 12:59:45,770 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-16 12:59:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:45,773 INFO L225 Difference]: With dead ends: 722 [2024-11-16 12:59:45,774 INFO L226 Difference]: Without dead ends: 541 [2024-11-16 12:59:45,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2024-11-16 12:59:45,776 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 351 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:45,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 920 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 12:59:45,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-16 12:59:45,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 400. [2024-11-16 12:59:45,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 328 states have (on average 1.3384146341463414) internal successors, (439), 328 states have internal predecessors, (439), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 571 transitions. [2024-11-16 12:59:45,820 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 571 transitions. Word has length 151 [2024-11-16 12:59:45,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:45,820 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 571 transitions. [2024-11-16 12:59:45,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-16 12:59:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 571 transitions. [2024-11-16 12:59:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 12:59:45,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:45,823 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:45,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 12:59:45,824 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:45,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:45,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1291410653, now seen corresponding path program 1 times [2024-11-16 12:59:45,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:45,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006786730] [2024-11-16 12:59:45,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:45,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:49,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:49,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006786730] [2024-11-16 12:59:49,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006786730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:49,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:49,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 12:59:49,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126054722] [2024-11-16 12:59:49,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:49,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 12:59:49,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:49,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 12:59:49,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:59:49,319 INFO L87 Difference]: Start difference. First operand 400 states and 571 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:55,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:59:55,052 INFO L93 Difference]: Finished difference Result 853 states and 1209 transitions. [2024-11-16 12:59:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 12:59:55,053 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-16 12:59:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:59:55,056 INFO L225 Difference]: With dead ends: 853 [2024-11-16 12:59:55,056 INFO L226 Difference]: Without dead ends: 666 [2024-11-16 12:59:55,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2024-11-16 12:59:55,058 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 361 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:59:55,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 599 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-16 12:59:55,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-16 12:59:55,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 428. [2024-11-16 12:59:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 356 states have (on average 1.345505617977528) internal successors, (479), 356 states have internal predecessors, (479), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 12:59:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 611 transitions. [2024-11-16 12:59:55,105 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 611 transitions. Word has length 151 [2024-11-16 12:59:55,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:59:55,105 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 611 transitions. [2024-11-16 12:59:55,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-16 12:59:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 611 transitions. [2024-11-16 12:59:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 12:59:55,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:59:55,107 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:55,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 12:59:55,108 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:59:55,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:59:55,108 INFO L85 PathProgramCache]: Analyzing trace with hash -647913187, now seen corresponding path program 1 times [2024-11-16 12:59:55,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:59:55,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075159206] [2024-11-16 12:59:55,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:59:55,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:59:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:59:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:59:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 12:59:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:59:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 12:59:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:59:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 12:59:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:59:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 12:59:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:59:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 12:59:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:59:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 12:59:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:59:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:59:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 12:59:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 12:59:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 12:59:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 12:59:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 12:59:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 12:59:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:58,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 12:59:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:59:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 12:59:59,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:59:59,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075159206] [2024-11-16 12:59:59,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075159206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:59:59,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:59:59,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 12:59:59,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912605523] [2024-11-16 12:59:59,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:59:59,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 12:59:59,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:59:59,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 12:59:59,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-16 12:59:59,004 INFO L87 Difference]: Start difference. First operand 428 states and 611 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-16 13:00:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:00:02,106 INFO L93 Difference]: Finished difference Result 992 states and 1400 transitions. [2024-11-16 13:00:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 13:00:02,107 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-16 13:00:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:00:02,112 INFO L225 Difference]: With dead ends: 992 [2024-11-16 13:00:02,112 INFO L226 Difference]: Without dead ends: 712 [2024-11-16 13:00:02,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2024-11-16 13:00:02,114 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 501 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 13:00:02,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 765 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 13:00:02,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-16 13:00:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 464. [2024-11-16 13:00:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 392 states have (on average 1.344387755102041) internal successors, (527), 392 states have internal predecessors, (527), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 13:00:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 659 transitions. [2024-11-16 13:00:02,158 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 659 transitions. Word has length 151 [2024-11-16 13:00:02,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:00:02,159 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 659 transitions. [2024-11-16 13:00:02,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-16 13:00:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 659 transitions. [2024-11-16 13:00:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 13:00:02,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:00:02,160 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:02,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 13:00:02,160 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:00:02,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:00:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1094897148, now seen corresponding path program 1 times [2024-11-16 13:00:02,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:00:02,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274043672] [2024-11-16 13:00:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:00:02,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:00:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat