./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_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_fillercodesize_ps-cn-10_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 517783448a287c62461a35f1bc15cb8b62fca77248cd9526eca120bea485e50a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 04:10:07,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 04:10:07,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 04:10:07,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 04:10:07,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 04:10:07,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 04:10:07,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 04:10:07,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 04:10:07,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 04:10:07,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 04:10:07,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 04:10:07,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 04:10:07,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 04:10:07,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 04:10:07,344 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 04:10:07,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 04:10:07,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 04:10:07,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 04:10:07,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 04:10:07,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 04:10:07,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 04:10:07,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 04:10:07,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 04:10:07,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 04:10:07,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 04:10:07,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 04:10:07,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 04:10:07,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 04:10:07,352 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 04:10:07,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 04:10:07,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 04:10:07,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 04:10:07,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:10:07,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 04:10:07,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 04:10:07,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 04:10:07,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 04:10:07,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 04:10:07,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 04:10:07,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 04:10:07,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 04:10:07,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 04:10:07,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 517783448a287c62461a35f1bc15cb8b62fca77248cd9526eca120bea485e50a [2024-11-10 04:10:07,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 04:10:07,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 04:10:07,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 04:10:07,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 04:10:07,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 04:10:07,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-11-10 04:10:09,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 04:10:09,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 04:10:09,313 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-11-10 04:10:09,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb55bc74/3c0e3de3075e435cbfeb992e556a35c8/FLAG2083620e5 [2024-11-10 04:10:09,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb55bc74/3c0e3de3075e435cbfeb992e556a35c8 [2024-11-10 04:10:09,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 04:10:09,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 04:10:09,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 04:10:09,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 04:10:09,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 04:10:09,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3353c96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09, skipping insertion in model container [2024-11-10 04:10:09,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 04:10:09,567 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i[915,928] [2024-11-10 04:10:09,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:10:09,644 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 04:10:09,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i[915,928] [2024-11-10 04:10:09,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:10:09,714 INFO L204 MainTranslator]: Completed translation [2024-11-10 04:10:09,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09 WrapperNode [2024-11-10 04:10:09,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 04:10:09,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 04:10:09,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 04:10:09,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 04:10:09,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,839 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2024-11-10 04:10:09,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 04:10:09,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 04:10:09,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 04:10:09,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 04:10:09,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,886 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 04:10:09,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 04:10:09,925 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 04:10:09,926 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 04:10:09,926 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 04:10:09,927 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (1/1) ... [2024-11-10 04:10:09,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:10:09,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:10:09,966 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 04:10:09,977 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 04:10:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 04:10:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 04:10:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 04:10:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 04:10:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 04:10:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 04:10:10,136 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 04:10:10,138 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 04:10:10,544 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 04:10:10,547 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 04:10:10,567 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 04:10:10,568 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 04:10:10,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:10:10 BoogieIcfgContainer [2024-11-10 04:10:10,568 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 04:10:10,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 04:10:10,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 04:10:10,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 04:10:10,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:10:09" (1/3) ... [2024-11-10 04:10:10,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5b4c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:10:10, skipping insertion in model container [2024-11-10 04:10:10,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:09" (2/3) ... [2024-11-10 04:10:10,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5b4c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:10:10, skipping insertion in model container [2024-11-10 04:10:10,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:10:10" (3/3) ... [2024-11-10 04:10:10,576 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-11-10 04:10:10,589 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 04:10:10,590 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 04:10:10,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 04:10:10,667 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;@f0f72e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 04:10:10,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 04:10:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 50 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 04:10:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 04:10:10,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:10,684 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:10,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:10,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:10,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1895703851, now seen corresponding path program 1 times [2024-11-10 04:10:10,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:10,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6509750] [2024-11-10 04:10:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:10,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:11,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:11,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6509750] [2024-11-10 04:10:11,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6509750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:11,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:11,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 04:10:11,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574662605] [2024-11-10 04:10:11,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:11,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 04:10:11,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:11,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 04:10:11,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:10:11,289 INFO L87 Difference]: Start difference. First operand has 80 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 50 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 04:10:11,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:11,328 INFO L93 Difference]: Finished difference Result 152 states and 263 transitions. [2024-11-10 04:10:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 04:10:11,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2024-11-10 04:10:11,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:11,340 INFO L225 Difference]: With dead ends: 152 [2024-11-10 04:10:11,341 INFO L226 Difference]: Without dead ends: 75 [2024-11-10 04:10:11,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 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 04:10:11,353 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:11,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:10:11,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-10 04:10:11,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-10 04:10:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 04:10:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-11-10 04:10:11,407 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 177 [2024-11-10 04:10:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:11,407 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-11-10 04:10:11,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 04:10:11,408 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-10 04:10:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 04:10:11,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:11,412 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:11,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 04:10:11,413 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:11,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:11,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1662671923, now seen corresponding path program 1 times [2024-11-10 04:10:11,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:11,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579605697] [2024-11-10 04:10:11,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:11,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:11,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:12,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:12,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579605697] [2024-11-10 04:10:12,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579605697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:12,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:12,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 04:10:12,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725278684] [2024-11-10 04:10:12,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:12,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 04:10:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 04:10:12,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:10:12,084 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:12,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:12,439 INFO L93 Difference]: Finished difference Result 221 states and 335 transitions. [2024-11-10 04:10:12,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 04:10:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2024-11-10 04:10:12,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:12,446 INFO L225 Difference]: With dead ends: 221 [2024-11-10 04:10:12,446 INFO L226 Difference]: Without dead ends: 149 [2024-11-10 04:10:12,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 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 04:10:12,449 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 81 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:12,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 365 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 04:10:12,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-10 04:10:12,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2024-11-10 04:10:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 68 states have internal predecessors, (81), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 04:10:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 193 transitions. [2024-11-10 04:10:12,503 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 193 transitions. Word has length 177 [2024-11-10 04:10:12,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:12,504 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 193 transitions. [2024-11-10 04:10:12,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions. [2024-11-10 04:10:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 04:10:12,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:12,510 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:12,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 04:10:12,510 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:12,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:12,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1124743564, now seen corresponding path program 1 times [2024-11-10 04:10:12,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:12,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066429821] [2024-11-10 04:10:12,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:12,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:19,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:19,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066429821] [2024-11-10 04:10:19,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066429821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:19,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:19,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 04:10:19,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91694060] [2024-11-10 04:10:19,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:19,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 04:10:19,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:19,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 04:10:19,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-10 04:10:19,633 INFO L87 Difference]: Start difference. First operand 127 states and 193 transitions. Second operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:22,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:22,892 INFO L93 Difference]: Finished difference Result 284 states and 418 transitions. [2024-11-10 04:10:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 04:10:22,893 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2024-11-10 04:10:22,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:22,897 INFO L225 Difference]: With dead ends: 284 [2024-11-10 04:10:22,897 INFO L226 Difference]: Without dead ends: 212 [2024-11-10 04:10:22,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 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 04:10:22,900 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 325 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:22,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 643 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 04:10:22,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-10 04:10:22,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 144. [2024-11-10 04:10:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 85 states have (on average 1.223529411764706) internal successors, (104), 85 states have internal predecessors, (104), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 04:10:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 216 transitions. [2024-11-10 04:10:22,928 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 216 transitions. Word has length 177 [2024-11-10 04:10:22,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:22,929 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 216 transitions. [2024-11-10 04:10:22,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 216 transitions. [2024-11-10 04:10:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 04:10:22,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:22,931 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:22,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 04:10:22,932 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:22,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:22,933 INFO L85 PathProgramCache]: Analyzing trace with hash -995660845, now seen corresponding path program 1 times [2024-11-10 04:10:22,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:22,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084675219] [2024-11-10 04:10:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:23,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:23,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084675219] [2024-11-10 04:10:23,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084675219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:23,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:23,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:10:23,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764306138] [2024-11-10 04:10:23,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:23,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:10:23,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:23,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:10:23,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:10:23,109 INFO L87 Difference]: Start difference. First operand 144 states and 216 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:23,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:23,156 INFO L93 Difference]: Finished difference Result 287 states and 434 transitions. [2024-11-10 04:10:23,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:10:23,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2024-11-10 04:10:23,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:23,160 INFO L225 Difference]: With dead ends: 287 [2024-11-10 04:10:23,160 INFO L226 Difference]: Without dead ends: 215 [2024-11-10 04:10:23,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 04:10:23,166 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 105 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:23,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 227 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:10:23,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-10 04:10:23,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 212. [2024-11-10 04:10:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 124 states have (on average 1.217741935483871) internal successors, (151), 124 states have internal predecessors, (151), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:10:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 319 transitions. [2024-11-10 04:10:23,200 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 319 transitions. Word has length 177 [2024-11-10 04:10:23,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:23,201 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 319 transitions. [2024-11-10 04:10:23,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 319 transitions. [2024-11-10 04:10:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 04:10:23,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:23,206 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:23,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 04:10:23,207 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:23,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:23,207 INFO L85 PathProgramCache]: Analyzing trace with hash -2080602444, now seen corresponding path program 1 times [2024-11-10 04:10:23,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:23,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807590055] [2024-11-10 04:10:23,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:23,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:28,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:28,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807590055] [2024-11-10 04:10:28,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807590055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:28,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:28,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 04:10:28,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067140837] [2024-11-10 04:10:28,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:28,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 04:10:28,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:28,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 04:10:28,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-10 04:10:28,936 INFO L87 Difference]: Start difference. First operand 212 states and 319 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:31,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:31,906 INFO L93 Difference]: Finished difference Result 271 states and 386 transitions. [2024-11-10 04:10:31,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 04:10:31,907 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-10 04:10:31,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:31,911 INFO L225 Difference]: With dead ends: 271 [2024-11-10 04:10:31,912 INFO L226 Difference]: Without dead ends: 268 [2024-11-10 04:10:31,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-10 04:10:31,913 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 243 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:31,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 724 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 04:10:31,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-10 04:10:31,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 213. [2024-11-10 04:10:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 125 states have (on average 1.216) internal successors, (152), 125 states have internal predecessors, (152), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:10:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 320 transitions. [2024-11-10 04:10:31,940 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 320 transitions. Word has length 178 [2024-11-10 04:10:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:31,941 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 320 transitions. [2024-11-10 04:10:31,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 320 transitions. [2024-11-10 04:10:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 04:10:31,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:31,943 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:31,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 04:10:31,944 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:31,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:31,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1136496663, now seen corresponding path program 1 times [2024-11-10 04:10:31,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:31,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069070560] [2024-11-10 04:10:31,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:31,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:32,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:32,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069070560] [2024-11-10 04:10:32,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069070560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:32,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:32,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:10:32,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103240133] [2024-11-10 04:10:32,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:32,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:10:32,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:32,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:10:32,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:10:32,156 INFO L87 Difference]: Start difference. First operand 213 states and 320 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:32,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:32,180 INFO L93 Difference]: Finished difference Result 364 states and 548 transitions. [2024-11-10 04:10:32,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:10:32,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-10 04:10:32,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:32,185 INFO L225 Difference]: With dead ends: 364 [2024-11-10 04:10:32,185 INFO L226 Difference]: Without dead ends: 221 [2024-11-10 04:10:32,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 04:10:32,188 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 6 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:32,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 214 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:10:32,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-10 04:10:32,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2024-11-10 04:10:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 125 states have (on average 1.192) internal successors, (149), 125 states have internal predecessors, (149), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:10:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 317 transitions. [2024-11-10 04:10:32,220 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 317 transitions. Word has length 178 [2024-11-10 04:10:32,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:32,220 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 317 transitions. [2024-11-10 04:10:32,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 317 transitions. [2024-11-10 04:10:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 04:10:32,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:32,223 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:32,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 04:10:32,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:32,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:32,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1415660298, now seen corresponding path program 1 times [2024-11-10 04:10:32,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:32,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855713283] [2024-11-10 04:10:32,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:36,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:36,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855713283] [2024-11-10 04:10:36,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855713283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:36,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:36,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 04:10:36,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040360808] [2024-11-10 04:10:36,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:36,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 04:10:36,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:36,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 04:10:36,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-10 04:10:36,856 INFO L87 Difference]: Start difference. First operand 213 states and 317 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:39,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:39,346 INFO L93 Difference]: Finished difference Result 271 states and 381 transitions. [2024-11-10 04:10:39,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 04:10:39,347 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-10 04:10:39,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:39,349 INFO L225 Difference]: With dead ends: 271 [2024-11-10 04:10:39,349 INFO L226 Difference]: Without dead ends: 268 [2024-11-10 04:10:39,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2024-11-10 04:10:39,354 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 225 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:39,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 734 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 04:10:39,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-10 04:10:39,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 213. [2024-11-10 04:10:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 125 states have (on average 1.192) internal successors, (149), 125 states have internal predecessors, (149), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:10:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 317 transitions. [2024-11-10 04:10:39,380 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 317 transitions. Word has length 178 [2024-11-10 04:10:39,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:39,381 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 317 transitions. [2024-11-10 04:10:39,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 317 transitions. [2024-11-10 04:10:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 04:10:39,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:39,383 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:39,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 04:10:39,384 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:39,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:39,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1106733288, now seen corresponding path program 1 times [2024-11-10 04:10:39,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:39,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562125151] [2024-11-10 04:10:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:39,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:43,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:43,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562125151] [2024-11-10 04:10:43,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562125151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:43,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:43,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 04:10:43,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750557776] [2024-11-10 04:10:43,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:43,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 04:10:43,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:43,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 04:10:43,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-10 04:10:43,257 INFO L87 Difference]: Start difference. First operand 213 states and 317 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 04:10:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:46,327 INFO L93 Difference]: Finished difference Result 295 states and 408 transitions. [2024-11-10 04:10:46,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 04:10:46,328 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2024-11-10 04:10:46,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:46,330 INFO L225 Difference]: With dead ends: 295 [2024-11-10 04:10:46,330 INFO L226 Difference]: Without dead ends: 292 [2024-11-10 04:10:46,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-10 04:10:46,332 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 251 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:46,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 795 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 04:10:46,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-10 04:10:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 223. [2024-11-10 04:10:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 135 states have (on average 1.2) internal successors, (162), 135 states have internal predecessors, (162), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:10:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 330 transitions. [2024-11-10 04:10:46,350 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 330 transitions. Word has length 178 [2024-11-10 04:10:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:46,351 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 330 transitions. [2024-11-10 04:10:46,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 04:10:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 330 transitions. [2024-11-10 04:10:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 04:10:46,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:46,353 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:46,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 04:10:46,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:46,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:46,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1303246793, now seen corresponding path program 1 times [2024-11-10 04:10:46,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:46,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939069835] [2024-11-10 04:10:46,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:46,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:10:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:10:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:10:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:10:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:10:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:10:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:10:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:10:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:10:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:10:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:10:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:10:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:10:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:10:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:10:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:10:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:10:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:10:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:10:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:10:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:10:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:10:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:10:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:10:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:10:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:10:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:10:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:10:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:10:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:10:51,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:10:51,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939069835] [2024-11-10 04:10:51,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939069835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:10:51,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:10:51,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 04:10:51,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218683659] [2024-11-10 04:10:51,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:10:51,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 04:10:51,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:10:51,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 04:10:51,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-10 04:10:51,586 INFO L87 Difference]: Start difference. First operand 223 states and 330 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:56,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:10:56,420 INFO L93 Difference]: Finished difference Result 287 states and 400 transitions. [2024-11-10 04:10:56,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 04:10:56,421 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-10 04:10:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:10:56,423 INFO L225 Difference]: With dead ends: 287 [2024-11-10 04:10:56,423 INFO L226 Difference]: Without dead ends: 284 [2024-11-10 04:10:56,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2024-11-10 04:10:56,425 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 285 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:10:56,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 659 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 04:10:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-10 04:10:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 223. [2024-11-10 04:10:56,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 135 states have (on average 1.2) internal successors, (162), 135 states have internal predecessors, (162), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:10:56,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 330 transitions. [2024-11-10 04:10:56,441 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 330 transitions. Word has length 178 [2024-11-10 04:10:56,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:10:56,442 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 330 transitions. [2024-11-10 04:10:56,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:10:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 330 transitions. [2024-11-10 04:10:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 04:10:56,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:10:56,444 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:56,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 04:10:56,444 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:10:56,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:10:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1326440470, now seen corresponding path program 1 times [2024-11-10 04:10:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:10:56,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036305719] [2024-11-10 04:10:56,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:10:56,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:10:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:11:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:11:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:11:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:11:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:11:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:11:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:11:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:11:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:11:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:11:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:11:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:11:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:11:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:11:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:11:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:11:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:11:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:11:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:11:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:11:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:11:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:11:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:11:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:03,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:11:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:04,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:11:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:04,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:11:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:11:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:04,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:11:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:11:04,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:11:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036305719] [2024-11-10 04:11:04,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036305719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:11:04,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:11:04,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 04:11:04,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721972404] [2024-11-10 04:11:04,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:11:04,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 04:11:04,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:11:04,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 04:11:04,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-10 04:11:04,246 INFO L87 Difference]: Start difference. First operand 223 states and 330 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 04:11:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:11:10,037 INFO L93 Difference]: Finished difference Result 297 states and 412 transitions. [2024-11-10 04:11:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 04:11:10,039 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2024-11-10 04:11:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:11:10,041 INFO L225 Difference]: With dead ends: 297 [2024-11-10 04:11:10,041 INFO L226 Difference]: Without dead ends: 294 [2024-11-10 04:11:10,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=315, Invalid=875, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 04:11:10,043 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 248 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:11:10,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 729 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-10 04:11:10,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-10 04:11:10,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 227. [2024-11-10 04:11:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 139 states have (on average 1.2014388489208634) internal successors, (167), 139 states have internal predecessors, (167), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:11:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 335 transitions. [2024-11-10 04:11:10,059 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 335 transitions. Word has length 179 [2024-11-10 04:11:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:11:10,060 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 335 transitions. [2024-11-10 04:11:10,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-10 04:11:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 335 transitions. [2024-11-10 04:11:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 04:11:10,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:11:10,062 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:11:10,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 04:11:10,062 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:11:10,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:11:10,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1129926965, now seen corresponding path program 1 times [2024-11-10 04:11:10,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:11:10,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46121372] [2024-11-10 04:11:10,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:11:10,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:11:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:11:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:11:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:11:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:11:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:11:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:11:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:11:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:11:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:11:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:11:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:11:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:11:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 04:11:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:11:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 04:11:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:11:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 04:11:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:11:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 04:11:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:11:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 04:11:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:11:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 04:11:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:11:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 04:11:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:11:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:11:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:11:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:11:18,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-10 04:11:18,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:11:18,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46121372] [2024-11-10 04:11:18,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46121372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:11:18,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:11:18,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 04:11:18,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771050915] [2024-11-10 04:11:18,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:11:18,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 04:11:18,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:11:18,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 04:11:18,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-10 04:11:18,132 INFO L87 Difference]: Start difference. First operand 227 states and 335 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:11:23,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:11:23,459 INFO L93 Difference]: Finished difference Result 289 states and 404 transitions. [2024-11-10 04:11:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 04:11:23,461 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2024-11-10 04:11:23,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:11:23,463 INFO L225 Difference]: With dead ends: 289 [2024-11-10 04:11:23,463 INFO L226 Difference]: Without dead ends: 286 [2024-11-10 04:11:23,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=352, Invalid=838, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 04:11:23,464 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 212 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:11:23,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 640 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 04:11:23,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-10 04:11:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 224. [2024-11-10 04:11:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 136 states have (on average 1.1985294117647058) internal successors, (163), 136 states have internal predecessors, (163), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:11:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 331 transitions. [2024-11-10 04:11:23,482 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 331 transitions. Word has length 179 [2024-11-10 04:11:23,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:11:23,483 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 331 transitions. [2024-11-10 04:11:23,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-10 04:11:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 331 transitions. [2024-11-10 04:11:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 04:11:23,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:11:23,486 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:11:23,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 04:11:23,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:11:23,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:11:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1785880690, now seen corresponding path program 1 times [2024-11-10 04:11:23,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:11:23,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097898063] [2024-11-10 04:11:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:11:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:11:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat