./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:04:51,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:04:52,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:04:52,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:04:52,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:04:52,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:04:52,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:04:52,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:04:52,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:04:52,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:04:52,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:04:52,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:04:52,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:04:52,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:04:52,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:04:52,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:04:52,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:04:52,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:04:52,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:04:52,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:04:52,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:04:52,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:04:52,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:04:52,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:04:52,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:04:52,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:04:52,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:04:52,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:04:52,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:04:52,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:04:52,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:04:52,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:04:52,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:04:52,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:04:52,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:04:52,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:04:52,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:04:52,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:04:52,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:04:52,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:04:52,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:04:52,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:04:52,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55 [2024-11-10 06:04:52,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:04:52,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:04:52,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:04:52,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:04:52,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:04:52,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-10 06:04:54,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:04:54,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:04:54,438 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-10 06:04:54,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b80356b/12a4c99a6221438a9ceaf4fd416d9907/FLAG1f15a92b9 [2024-11-10 06:04:54,476 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b80356b/12a4c99a6221438a9ceaf4fd416d9907 [2024-11-10 06:04:54,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:04:54,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:04:54,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:04:54,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:04:54,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:04:54,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:04:54" (1/1) ... [2024-11-10 06:04:54,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d68ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:54, skipping insertion in model container [2024-11-10 06:04:54,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:04:54" (1/1) ... [2024-11-10 06:04:54,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:04:54,758 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-10 06:04:54,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:04:54,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:04:54,976 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932] [2024-11-10 06:04:55,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:04:55,045 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:04:55,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55 WrapperNode [2024-11-10 06:04:55,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:04:55,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:04:55,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:04:55,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:04:55,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,114 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2024-11-10 06:04:55,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:04:55,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:04:55,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:04:55,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:04:55,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,138 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,160 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 06:04:55,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,172 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:04:55,188 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:04:55,188 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:04:55,188 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:04:55,189 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (1/1) ... [2024-11-10 06:04:55,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:04:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:04:55,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 06:04:55,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 06:04:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:04:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:04:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:04:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:04:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:04:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:04:55,403 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:04:55,406 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:04:55,933 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 06:04:55,934 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:04:55,966 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:04:55,966 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:04:55,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:04:55 BoogieIcfgContainer [2024-11-10 06:04:55,967 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:04:55,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:04:55,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:04:55,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:04:55,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:04:54" (1/3) ... [2024-11-10 06:04:55,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c985fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:04:55, skipping insertion in model container [2024-11-10 06:04:55,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:55" (2/3) ... [2024-11-10 06:04:55,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c985fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:04:55, skipping insertion in model container [2024-11-10 06:04:55,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:04:55" (3/3) ... [2024-11-10 06:04:55,981 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i [2024-11-10 06:04:56,004 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:04:56,005 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:04:56,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:04:56,087 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;@9b15283, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:04:56,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:04:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 72 states have internal predecessors, (104), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 06:04:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 06:04:56,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:04:56,117 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:04:56,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:04:56,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:04:56,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2124305891, now seen corresponding path program 1 times [2024-11-10 06:04:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:04:56,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988488569] [2024-11-10 06:04:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:04:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:04:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:04:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:04:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:04:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:04:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:04:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:04:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:04:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:04:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:04:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:04:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:04:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:04:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:04:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:04:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:04:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:04:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:04:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:04:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:04:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:04:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:04:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:04:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:04:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:04:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:04:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:04:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:04:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:04:56,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:04:56,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988488569] [2024-11-10 06:04:56,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988488569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:04:56,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:04:56,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:04:56,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470849034] [2024-11-10 06:04:56,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:04:56,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:04:56,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:04:56,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:04:56,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:04:56,907 INFO L87 Difference]: Start difference. First operand has 101 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 72 states have internal predecessors, (104), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 06:04:57,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:04:57,037 INFO L93 Difference]: Finished difference Result 194 states and 336 transitions. [2024-11-10 06:04:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:04:57,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-11-10 06:04:57,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:04:57,050 INFO L225 Difference]: With dead ends: 194 [2024-11-10 06:04:57,050 INFO L226 Difference]: Without dead ends: 96 [2024-11-10 06:04:57,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:04:57,058 INFO L432 NwaCegarLoop]: 145 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, 145 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 [2024-11-10 06:04:57,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:04:57,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-10 06:04:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-10 06:04:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 06:04:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 149 transitions. [2024-11-10 06:04:57,107 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 149 transitions. Word has length 177 [2024-11-10 06:04:57,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:04:57,108 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 149 transitions. [2024-11-10 06:04:57,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 06:04:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2024-11-10 06:04:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 06:04:57,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:04:57,113 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:04:57,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:04:57,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:04:57,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:04:57,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2141654116, now seen corresponding path program 1 times [2024-11-10 06:04:57,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:04:57,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120202659] [2024-11-10 06:04:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:04:57,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:04:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:04:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:04:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:04:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:04:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:04:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:04:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:04:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:04:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:04:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:04:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:04:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:04:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:04:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:04:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:04:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:04:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:04:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:04:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:04:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:04:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:04:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:04:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:04:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:04:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:04:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:04:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:04:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:04:57,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:04:57,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120202659] [2024-11-10 06:04:57,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120202659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:04:57,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:04:57,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:04:57,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825956276] [2024-11-10 06:04:57,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:04:57,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:04:57,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:04:57,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:04:57,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:04:57,695 INFO L87 Difference]: Start difference. First operand 96 states and 149 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:04:57,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:04:57,753 INFO L93 Difference]: Finished difference Result 190 states and 297 transitions. [2024-11-10 06:04:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:04:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 06:04:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:04:57,757 INFO L225 Difference]: With dead ends: 190 [2024-11-10 06:04:57,757 INFO L226 Difference]: Without dead ends: 97 [2024-11-10 06:04:57,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:04:57,763 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:04:57,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:04:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-10 06:04:57,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-10 06:04:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 06:04:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 150 transitions. [2024-11-10 06:04:57,791 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 150 transitions. Word has length 177 [2024-11-10 06:04:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:04:57,793 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 150 transitions. [2024-11-10 06:04:57,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:04:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2024-11-10 06:04:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 06:04:57,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:04:57,800 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:04:57,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:04:57,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:04:57,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:04:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1308841309, now seen corresponding path program 1 times [2024-11-10 06:04:57,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:04:57,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429305891] [2024-11-10 06:04:57,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:04:57,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:04:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:04:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:04:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:04:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:04:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:04:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:04:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:04:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:04:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:04:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:04:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:04:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:04:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:04:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:04:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:04:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:04:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:04:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:04:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:04:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:04:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:04:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:04:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:04:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:04:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:04:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:04:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:04:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:04:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:04:58,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:04:58,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429305891] [2024-11-10 06:04:58,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429305891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:04:58,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:04:58,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:04:58,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414654453] [2024-11-10 06:04:58,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:04:58,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:04:58,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:04:58,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:04:58,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:04:58,541 INFO L87 Difference]: Start difference. First operand 97 states and 150 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:04:58,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:04:58,884 INFO L93 Difference]: Finished difference Result 287 states and 446 transitions. [2024-11-10 06:04:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:04:58,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 06:04:58,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:04:58,889 INFO L225 Difference]: With dead ends: 287 [2024-11-10 06:04:58,889 INFO L226 Difference]: Without dead ends: 193 [2024-11-10 06:04:58,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:04:58,892 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 152 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:04:58,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 495 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 06:04:58,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-10 06:04:58,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 171. [2024-11-10 06:04:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.394736842105263) internal successors, (159), 114 states have internal predecessors, (159), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 06:04:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 267 transitions. [2024-11-10 06:04:58,920 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 267 transitions. Word has length 177 [2024-11-10 06:04:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:04:58,921 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 267 transitions. [2024-11-10 06:04:58,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:04:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 267 transitions. [2024-11-10 06:04:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 06:04:58,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:04:58,924 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:04:58,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:04:58,925 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:04:58,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:04:58,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1478574178, now seen corresponding path program 1 times [2024-11-10 06:04:58,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:04:58,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446426673] [2024-11-10 06:04:58,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:04:58,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:04:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:05:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:05:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:05:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:05:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:05:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:05:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:05:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:05:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:05:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:05:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:05:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:05:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:05:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:05:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:05:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:05:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:05:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:05:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:05:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:05:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:05:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:05:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:05:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:05:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:05:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:05:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:05:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:05:05,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:05:05,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446426673] [2024-11-10 06:05:05,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446426673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:05:05,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:05:05,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 06:05:05,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772381935] [2024-11-10 06:05:05,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:05:05,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 06:05:05,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:05:05,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 06:05:05,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-10 06:05:05,686 INFO L87 Difference]: Start difference. First operand 171 states and 267 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:10,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:05:10,021 INFO L93 Difference]: Finished difference Result 350 states and 529 transitions. [2024-11-10 06:05:10,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 06:05:10,026 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 06:05:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:05:10,030 INFO L225 Difference]: With dead ends: 350 [2024-11-10 06:05:10,032 INFO L226 Difference]: Without dead ends: 256 [2024-11-10 06:05:10,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-10 06:05:10,038 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 414 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:05:10,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 853 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 06:05:10,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-10 06:05:10,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 188. [2024-11-10 06:05:10,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 131 states have (on average 1.3893129770992367) internal successors, (182), 131 states have internal predecessors, (182), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 06:05:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 290 transitions. [2024-11-10 06:05:10,079 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 290 transitions. Word has length 177 [2024-11-10 06:05:10,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:05:10,080 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 290 transitions. [2024-11-10 06:05:10,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:10,081 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 290 transitions. [2024-11-10 06:05:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 06:05:10,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:05:10,083 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:05:10,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:05:10,084 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:05:10,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:05:10,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1349491459, now seen corresponding path program 1 times [2024-11-10 06:05:10,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:05:10,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907819018] [2024-11-10 06:05:10,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:05:10,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:05:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:05:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:05:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:05:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:05:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:05:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:05:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:05:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:05:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:05:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:05:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:05:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:05:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:05:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:05:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:05:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:05:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:05:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:05:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:05:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:05:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:05:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:05:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:05:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:05:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:05:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:05:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:05:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:05:10,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:05:10,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907819018] [2024-11-10 06:05:10,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907819018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:05:10,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:05:10,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:05:10,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659662435] [2024-11-10 06:05:10,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:05:10,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:05:10,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:05:10,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:05:10,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:05:10,263 INFO L87 Difference]: Start difference. First operand 188 states and 290 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:10,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:05:10,326 INFO L93 Difference]: Finished difference Result 375 states and 582 transitions. [2024-11-10 06:05:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:05:10,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 06:05:10,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:05:10,334 INFO L225 Difference]: With dead ends: 375 [2024-11-10 06:05:10,336 INFO L226 Difference]: Without dead ends: 281 [2024-11-10 06:05:10,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:05:10,338 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 141 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:05:10,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 291 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:05:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-10 06:05:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 278. [2024-11-10 06:05:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 193 states have (on average 1.38860103626943) internal successors, (268), 193 states have internal predecessors, (268), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 06:05:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 430 transitions. [2024-11-10 06:05:10,396 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 430 transitions. Word has length 177 [2024-11-10 06:05:10,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:05:10,398 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 430 transitions. [2024-11-10 06:05:10,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 430 transitions. [2024-11-10 06:05:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 06:05:10,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:05:10,402 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:05:10,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:05:10,402 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:05:10,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:05:10,403 INFO L85 PathProgramCache]: Analyzing trace with hash -164449590, now seen corresponding path program 1 times [2024-11-10 06:05:10,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:05:10,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353848500] [2024-11-10 06:05:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:05:10,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:05:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:05:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:05:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:05:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:05:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:05:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:05:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:05:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:05:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:05:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:05:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:05:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:05:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:05:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:05:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:05:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:05:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:05:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:05:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:05:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:05:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:05:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:05:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:05:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:05:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:05:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:05:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:05:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:05:19,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:05:19,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353848500] [2024-11-10 06:05:19,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353848500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:05:19,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:05:19,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:05:19,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456591542] [2024-11-10 06:05:19,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:05:19,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:05:19,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:05:19,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:05:19,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:05:19,569 INFO L87 Difference]: Start difference. First operand 278 states and 430 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:23,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:05:23,078 INFO L93 Difference]: Finished difference Result 337 states and 497 transitions. [2024-11-10 06:05:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 06:05:23,079 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-10 06:05:23,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:05:23,082 INFO L225 Difference]: With dead ends: 337 [2024-11-10 06:05:23,083 INFO L226 Difference]: Without dead ends: 334 [2024-11-10 06:05:23,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2024-11-10 06:05:23,084 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 313 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:05:23,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1029 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 06:05:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-10 06:05:23,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 279. [2024-11-10 06:05:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.3865979381443299) internal successors, (269), 194 states have internal predecessors, (269), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 06:05:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 431 transitions. [2024-11-10 06:05:23,115 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 431 transitions. Word has length 178 [2024-11-10 06:05:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:05:23,115 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 431 transitions. [2024-11-10 06:05:23,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 431 transitions. [2024-11-10 06:05:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 06:05:23,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:05:23,118 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:05:23,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:05:23,118 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:05:23,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:05:23,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1242317779, now seen corresponding path program 1 times [2024-11-10 06:05:23,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:05:23,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145338943] [2024-11-10 06:05:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:05:23,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:05:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:05:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:05:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:05:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:05:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:05:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:05:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:05:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:05:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:05:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:05:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:05:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:05:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:05:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:05:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:05:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:05:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:05:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:05:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:05:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:05:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:05:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:05:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:05:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:05:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:05:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:05:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:05:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:05:23,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:05:23,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145338943] [2024-11-10 06:05:23,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145338943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:05:23,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:05:23,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:05:23,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568891721] [2024-11-10 06:05:23,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:05:23,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:05:23,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:05:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:05:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:05:23,659 INFO L87 Difference]: Start difference. First operand 279 states and 431 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-10 06:05:23,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:05:23,734 INFO L93 Difference]: Finished difference Result 474 states and 733 transitions. [2024-11-10 06:05:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:05:23,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 178 [2024-11-10 06:05:23,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:05:23,738 INFO L225 Difference]: With dead ends: 474 [2024-11-10 06:05:23,738 INFO L226 Difference]: Without dead ends: 287 [2024-11-10 06:05:23,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:05:23,743 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 155 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:05:23,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 256 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:05:23,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-10 06:05:23,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2024-11-10 06:05:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.3711340206185567) internal successors, (266), 194 states have internal predecessors, (266), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 06:05:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 428 transitions. [2024-11-10 06:05:23,769 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 428 transitions. Word has length 178 [2024-11-10 06:05:23,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:05:23,770 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 428 transitions. [2024-11-10 06:05:23,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-10 06:05:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 428 transitions. [2024-11-10 06:05:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 06:05:23,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:05:23,773 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:05:23,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 06:05:23,774 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:05:23,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:05:23,774 INFO L85 PathProgramCache]: Analyzing trace with hash 500492556, now seen corresponding path program 1 times [2024-11-10 06:05:23,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:05:23,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245954127] [2024-11-10 06:05:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:05:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:05:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:05:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:05:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:05:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:05:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:05:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:05:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:05:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:05:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:05:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:05:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:05:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:05:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:05:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:05:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:05:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:05:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:05:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:05:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:05:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:05:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:05:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:05:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:05:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:05:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:05:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:05:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:05:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:05:34,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:05:34,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245954127] [2024-11-10 06:05:34,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245954127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:05:34,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:05:34,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:05:34,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676568606] [2024-11-10 06:05:34,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:05:34,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:05:34,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:05:34,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:05:34,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:05:34,836 INFO L87 Difference]: Start difference. First operand 279 states and 428 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:05:41,580 INFO L93 Difference]: Finished difference Result 337 states and 492 transitions. [2024-11-10 06:05:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 06:05:41,582 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-10 06:05:41,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:05:41,585 INFO L225 Difference]: With dead ends: 337 [2024-11-10 06:05:41,586 INFO L226 Difference]: Without dead ends: 334 [2024-11-10 06:05:41,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2024-11-10 06:05:41,587 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 298 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:05:41,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1025 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-10 06:05:41,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-10 06:05:41,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 279. [2024-11-10 06:05:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.3711340206185567) internal successors, (266), 194 states have internal predecessors, (266), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 06:05:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 428 transitions. [2024-11-10 06:05:41,614 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 428 transitions. Word has length 178 [2024-11-10 06:05:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:05:41,615 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 428 transitions. [2024-11-10 06:05:41,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 428 transitions. [2024-11-10 06:05:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 06:05:41,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:05:41,617 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:05:41,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 06:05:41,618 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:05:41,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:05:41,618 INFO L85 PathProgramCache]: Analyzing trace with hash 809419566, now seen corresponding path program 1 times [2024-11-10 06:05:41,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:05:41,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819967905] [2024-11-10 06:05:41,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:05:41,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:05:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:05:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:05:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:05:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:05:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:05:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:05:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:05:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:05:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:05:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:05:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:05:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:05:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:05:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:05:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:05:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:05:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:05:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:05:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:05:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:05:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:05:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:05:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:05:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:05:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:05:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:05:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:05:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:05:41,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:05:41,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819967905] [2024-11-10 06:05:41,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819967905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:05:41,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:05:41,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:05:41,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600684588] [2024-11-10 06:05:41,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:05:41,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:05:41,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:05:41,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:05:41,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:05:41,912 INFO L87 Difference]: Start difference. First operand 279 states and 428 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:41,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:05:41,989 INFO L93 Difference]: Finished difference Result 620 states and 943 transitions. [2024-11-10 06:05:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:05:41,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-10 06:05:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:05:41,994 INFO L225 Difference]: With dead ends: 620 [2024-11-10 06:05:41,995 INFO L226 Difference]: Without dead ends: 436 [2024-11-10 06:05:41,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:05:41,998 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 99 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:05:41,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 345 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:05:42,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-10 06:05:42,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 372. [2024-11-10 06:05:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 287 states have (on average 1.4425087108013936) internal successors, (414), 287 states have internal predecessors, (414), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 06:05:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 576 transitions. [2024-11-10 06:05:42,038 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 576 transitions. Word has length 178 [2024-11-10 06:05:42,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:05:42,039 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 576 transitions. [2024-11-10 06:05:42,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:42,040 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 576 transitions. [2024-11-10 06:05:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 06:05:42,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:05:42,043 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:05:42,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 06:05:42,044 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:05:42,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:05:42,044 INFO L85 PathProgramCache]: Analyzing trace with hash 742412813, now seen corresponding path program 1 times [2024-11-10 06:05:42,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:05:42,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198183704] [2024-11-10 06:05:42,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:05:42,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:05:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:05:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:05:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:05:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:05:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:05:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:05:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:05:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:05:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:05:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:05:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:05:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:05:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:05:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:05:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:05:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:05:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:05:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:05:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:05:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:05:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:05:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:05:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:49,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:05:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:50,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:05:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:05:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:05:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:50,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:05:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:05:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:05:50,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:05:50,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198183704] [2024-11-10 06:05:50,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198183704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:05:50,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:05:50,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:05:50,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494709329] [2024-11-10 06:05:50,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:05:50,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:05:50,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:05:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:05:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:05:50,044 INFO L87 Difference]: Start difference. First operand 372 states and 576 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:05:54,856 INFO L93 Difference]: Finished difference Result 713 states and 1070 transitions. [2024-11-10 06:05:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 06:05:54,862 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-10 06:05:54,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:05:54,866 INFO L225 Difference]: With dead ends: 713 [2024-11-10 06:05:54,866 INFO L226 Difference]: Without dead ends: 451 [2024-11-10 06:05:54,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2024-11-10 06:05:54,870 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 383 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:05:54,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1344 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 06:05:54,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-10 06:05:54,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 383. [2024-11-10 06:05:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 298 states have (on average 1.4328859060402686) internal successors, (427), 298 states have internal predecessors, (427), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 06:05:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 589 transitions. [2024-11-10 06:05:54,903 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 589 transitions. Word has length 178 [2024-11-10 06:05:54,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:05:54,904 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 589 transitions. [2024-11-10 06:05:54,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:05:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 589 transitions. [2024-11-10 06:05:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 06:05:54,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:05:54,907 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:05:54,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 06:05:54,907 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:05:54,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:05:54,908 INFO L85 PathProgramCache]: Analyzing trace with hash 545899308, now seen corresponding path program 1 times [2024-11-10 06:05:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:05:54,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785637842] [2024-11-10 06:05:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:05:54,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:05:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:06:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:06:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:06:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:06:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:06:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:06:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:06:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:06:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:06:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:06:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:06:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:06:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 06:06:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:06:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 06:06:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:06:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 06:06:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:06:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 06:06:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:06:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 06:06:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:06:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 06:06:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:06:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:06:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:06:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:06:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:06:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 06:06:01,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:06:01,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785637842] [2024-11-10 06:06:01,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785637842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:06:01,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:06:01,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 06:06:01,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753955517] [2024-11-10 06:06:01,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:06:01,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 06:06:01,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:06:01,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 06:06:01,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-10 06:06:01,137 INFO L87 Difference]: Start difference. First operand 383 states and 589 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:06:06,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:06:06,486 INFO L93 Difference]: Finished difference Result 446 states and 659 transitions. [2024-11-10 06:06:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 06:06:06,488 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-11-10 06:06:06,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:06:06,491 INFO L225 Difference]: With dead ends: 446 [2024-11-10 06:06:06,492 INFO L226 Difference]: Without dead ends: 443 [2024-11-10 06:06:06,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-10 06:06:06,493 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 371 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:06:06,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1517 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 06:06:06,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-10 06:06:06,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 383. [2024-11-10 06:06:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 298 states have (on average 1.4328859060402686) internal successors, (427), 298 states have internal predecessors, (427), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 06:06:06,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 589 transitions. [2024-11-10 06:06:06,521 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 589 transitions. Word has length 178 [2024-11-10 06:06:06,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:06:06,521 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 589 transitions. [2024-11-10 06:06:06,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 06:06:06,522 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 589 transitions. [2024-11-10 06:06:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 06:06:06,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:06:06,524 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:06:06,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 06:06:06,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:06:06,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:06:06,525 INFO L85 PathProgramCache]: Analyzing trace with hash 597636800, now seen corresponding path program 1 times [2024-11-10 06:06:06,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:06:06,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169240995] [2024-11-10 06:06:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:06:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:06:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat