./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.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 d402cd14beee6851ca97c58b2a2589220820214ac9c394c1c5bdac6dbc1a1025 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:49:09,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:49:09,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:49:09,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:49:09,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:49:09,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:49:09,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:49:09,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:49:09,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:49:09,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:49:09,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:49:09,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:49:09,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:49:09,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:49:09,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:49:09,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:49:09,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:49:09,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:49:09,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:49:09,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:49:09,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:49:09,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:49:09,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:49:09,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:49:09,533 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:49:09,533 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:49:09,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:49:09,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:49:09,534 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:49:09,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:49:09,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:49:09,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:49:09,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:49:09,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:49:09,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:49:09,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:49:09,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:49:09,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:49:09,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:49:09,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:49:09,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:49:09,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:49:09,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d402cd14beee6851ca97c58b2a2589220820214ac9c394c1c5bdac6dbc1a1025 [2024-11-16 14:49:09,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:49:09,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:49:09,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:49:09,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:49:09,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:49:09,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-11-16 14:49:11,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:49:11,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:49:11,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-11-16 14:49:11,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c12b6ad/8fc132898f2f4f3498478a0412065a7e/FLAG4ce48f608 [2024-11-16 14:49:11,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c12b6ad/8fc132898f2f4f3498478a0412065a7e [2024-11-16 14:49:11,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:49:11,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:49:11,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:49:11,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:49:11,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:49:11,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:49:11" (1/1) ... [2024-11-16 14:49:11,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1d4db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:11, skipping insertion in model container [2024-11-16 14:49:11,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:49:11" (1/1) ... [2024-11-16 14:49:11,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:49:11,842 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2024-11-16 14:49:11,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:49:11,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:49:11,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2024-11-16 14:49:12,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:49:12,025 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:49:12,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12 WrapperNode [2024-11-16 14:49:12,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:49:12,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:49:12,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:49:12,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:49:12,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,083 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 301 [2024-11-16 14:49:12,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:49:12,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:49:12,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:49:12,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:49:12,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,112 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 14:49:12,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:49:12,138 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:49:12,138 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:49:12,139 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:49:12,139 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (1/1) ... [2024-11-16 14:49:12,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:49:12,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:49:12,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 14:49:12,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 14:49:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:49:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:49:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:49:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:49:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:49:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:49:12,306 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:49:12,308 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:49:12,702 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L220: havoc property_#t~bitwise33#1;havoc property_#t~short34#1; [2024-11-16 14:49:12,747 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 14:49:12,747 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:49:12,769 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:49:12,769 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:49:12,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:49:12 BoogieIcfgContainer [2024-11-16 14:49:12,770 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:49:12,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:49:12,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:49:12,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:49:12,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:49:11" (1/3) ... [2024-11-16 14:49:12,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403f72c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:49:12, skipping insertion in model container [2024-11-16 14:49:12,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:49:12" (2/3) ... [2024-11-16 14:49:12,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403f72c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:49:12, skipping insertion in model container [2024-11-16 14:49:12,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:49:12" (3/3) ... [2024-11-16 14:49:12,776 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-11-16 14:49:12,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:49:12,796 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:49:12,860 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:49:12,865 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;@15f48eb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:49:12,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:49:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 84 states have internal predecessors, (117), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-16 14:49:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:12,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:12,896 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:12,897 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:12,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:12,903 INFO L85 PathProgramCache]: Analyzing trace with hash 811310161, now seen corresponding path program 1 times [2024-11-16 14:49:12,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:12,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838162148] [2024-11-16 14:49:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:12,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:13,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:13,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838162148] [2024-11-16 14:49:13,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838162148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:13,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:13,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:49:13,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323001005] [2024-11-16 14:49:13,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:13,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:49:13,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:13,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:49:13,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:49:13,585 INFO L87 Difference]: Start difference. First operand has 134 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 84 states have internal predecessors, (117), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:13,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:13,636 INFO L93 Difference]: Finished difference Result 260 states and 467 transitions. [2024-11-16 14:49:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:49:13,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-16 14:49:13,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:13,647 INFO L225 Difference]: With dead ends: 260 [2024-11-16 14:49:13,647 INFO L226 Difference]: Without dead ends: 129 [2024-11-16 14:49:13,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:49:13,656 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:13,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:49:13,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-16 14:49:13,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-16 14:49:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-16 14:49:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 205 transitions. [2024-11-16 14:49:13,714 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 205 transitions. Word has length 297 [2024-11-16 14:49:13,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:13,716 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 205 transitions. [2024-11-16 14:49:13,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 205 transitions. [2024-11-16 14:49:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:13,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:13,723 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:13,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:49:13,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:13,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:13,724 INFO L85 PathProgramCache]: Analyzing trace with hash -517012651, now seen corresponding path program 1 times [2024-11-16 14:49:13,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:13,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231429857] [2024-11-16 14:49:13,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:13,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:15,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:16,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:16,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231429857] [2024-11-16 14:49:16,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231429857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:16,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:16,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 14:49:16,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527315690] [2024-11-16 14:49:16,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:16,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 14:49:16,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:16,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 14:49:16,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 14:49:16,164 INFO L87 Difference]: Start difference. First operand 129 states and 205 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:17,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:17,211 INFO L93 Difference]: Finished difference Result 577 states and 914 transitions. [2024-11-16 14:49:17,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 14:49:17,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-16 14:49:17,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:17,216 INFO L225 Difference]: With dead ends: 577 [2024-11-16 14:49:17,216 INFO L226 Difference]: Without dead ends: 451 [2024-11-16 14:49:17,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2024-11-16 14:49:17,219 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1074 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:17,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1271 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 14:49:17,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-16 14:49:17,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 230. [2024-11-16 14:49:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 131 states have internal predecessors, (176), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-16 14:49:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 368 transitions. [2024-11-16 14:49:17,274 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 368 transitions. Word has length 297 [2024-11-16 14:49:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:17,276 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 368 transitions. [2024-11-16 14:49:17,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 368 transitions. [2024-11-16 14:49:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:17,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:17,283 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:17,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:49:17,283 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:17,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:17,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1514085004, now seen corresponding path program 1 times [2024-11-16 14:49:17,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:17,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724507842] [2024-11-16 14:49:17,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:17,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:35,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724507842] [2024-11-16 14:49:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724507842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:35,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:35,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 14:49:35,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16706854] [2024-11-16 14:49:35,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:35,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 14:49:35,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:35,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 14:49:35,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-16 14:49:35,283 INFO L87 Difference]: Start difference. First operand 230 states and 368 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:40,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:40,243 INFO L93 Difference]: Finished difference Result 606 states and 964 transitions. [2024-11-16 14:49:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 14:49:40,244 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-16 14:49:40,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:40,247 INFO L225 Difference]: With dead ends: 606 [2024-11-16 14:49:40,247 INFO L226 Difference]: Without dead ends: 480 [2024-11-16 14:49:40,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-16 14:49:40,249 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1402 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:40,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 1170 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 14:49:40,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-16 14:49:40,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 270. [2024-11-16 14:49:40,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 171 states have (on average 1.4269005847953216) internal successors, (244), 171 states have internal predecessors, (244), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-16 14:49:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 436 transitions. [2024-11-16 14:49:40,273 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 436 transitions. Word has length 297 [2024-11-16 14:49:40,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:40,274 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 436 transitions. [2024-11-16 14:49:40,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 436 transitions. [2024-11-16 14:49:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:40,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:40,277 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:40,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:49:40,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:40,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:40,278 INFO L85 PathProgramCache]: Analyzing trace with hash -6533195, now seen corresponding path program 1 times [2024-11-16 14:49:40,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:40,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300308417] [2024-11-16 14:49:40,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:40,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:40,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:40,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300308417] [2024-11-16 14:49:40,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300308417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:40,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:40,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:49:40,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179730527] [2024-11-16 14:49:40,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:40,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:49:40,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:40,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:49:40,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:49:40,588 INFO L87 Difference]: Start difference. First operand 270 states and 436 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:40,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:40,658 INFO L93 Difference]: Finished difference Result 466 states and 746 transitions. [2024-11-16 14:49:40,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:49:40,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-16 14:49:40,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:40,661 INFO L225 Difference]: With dead ends: 466 [2024-11-16 14:49:40,661 INFO L226 Difference]: Without dead ends: 333 [2024-11-16 14:49:40,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:49:40,663 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 74 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:40,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 596 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:49:40,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-16 14:49:40,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 329. [2024-11-16 14:49:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 225 states have (on average 1.448888888888889) internal successors, (326), 226 states have internal predecessors, (326), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:49:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 526 transitions. [2024-11-16 14:49:40,694 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 526 transitions. Word has length 297 [2024-11-16 14:49:40,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:40,695 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 526 transitions. [2024-11-16 14:49:40,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 526 transitions. [2024-11-16 14:49:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:40,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:40,699 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:40,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:49:40,699 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:40,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:40,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1361484522, now seen corresponding path program 1 times [2024-11-16 14:49:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:40,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448910316] [2024-11-16 14:49:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:40,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:41,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:41,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448910316] [2024-11-16 14:49:41,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448910316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:41,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:41,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 14:49:41,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884668085] [2024-11-16 14:49:41,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:41,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 14:49:41,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:41,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 14:49:41,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 14:49:41,663 INFO L87 Difference]: Start difference. First operand 329 states and 526 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:42,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:42,785 INFO L93 Difference]: Finished difference Result 738 states and 1176 transitions. [2024-11-16 14:49:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 14:49:42,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-16 14:49:42,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:42,790 INFO L225 Difference]: With dead ends: 738 [2024-11-16 14:49:42,790 INFO L226 Difference]: Without dead ends: 560 [2024-11-16 14:49:42,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-16 14:49:42,792 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 857 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:42,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 867 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 14:49:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-16 14:49:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 343. [2024-11-16 14:49:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 239 states have (on average 1.4560669456066946) internal successors, (348), 240 states have internal predecessors, (348), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:49:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 548 transitions. [2024-11-16 14:49:42,817 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 548 transitions. Word has length 297 [2024-11-16 14:49:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:42,818 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 548 transitions. [2024-11-16 14:49:42,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 548 transitions. [2024-11-16 14:49:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:42,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:42,821 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:42,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 14:49:42,821 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:42,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:42,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1739898356, now seen corresponding path program 1 times [2024-11-16 14:49:42,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:42,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448734328] [2024-11-16 14:49:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:42,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:43,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:43,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448734328] [2024-11-16 14:49:43,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448734328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:43,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:43,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 14:49:43,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682926115] [2024-11-16 14:49:43,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:43,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 14:49:43,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:43,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 14:49:43,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-16 14:49:43,785 INFO L87 Difference]: Start difference. First operand 343 states and 548 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:44,418 INFO L93 Difference]: Finished difference Result 874 states and 1384 transitions. [2024-11-16 14:49:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 14:49:44,418 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-16 14:49:44,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:44,422 INFO L225 Difference]: With dead ends: 874 [2024-11-16 14:49:44,422 INFO L226 Difference]: Without dead ends: 696 [2024-11-16 14:49:44,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:49:44,423 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 638 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:44,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 935 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 14:49:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-16 14:49:44,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 354. [2024-11-16 14:49:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 250 states have (on average 1.468) internal successors, (367), 251 states have internal predecessors, (367), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:49:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 567 transitions. [2024-11-16 14:49:44,451 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 567 transitions. Word has length 297 [2024-11-16 14:49:44,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:44,451 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 567 transitions. [2024-11-16 14:49:44,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 567 transitions. [2024-11-16 14:49:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:44,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:44,453 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:44,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 14:49:44,453 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:44,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:44,453 INFO L85 PathProgramCache]: Analyzing trace with hash 742826003, now seen corresponding path program 1 times [2024-11-16 14:49:44,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:44,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610305637] [2024-11-16 14:49:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:44,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:55,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:55,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610305637] [2024-11-16 14:49:55,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610305637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:55,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:55,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 14:49:55,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292046803] [2024-11-16 14:49:55,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:55,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 14:49:55,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:55,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 14:49:55,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-16 14:49:55,295 INFO L87 Difference]: Start difference. First operand 354 states and 567 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:56,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:56,130 INFO L93 Difference]: Finished difference Result 606 states and 960 transitions. [2024-11-16 14:49:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 14:49:56,131 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-16 14:49:56,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:56,137 INFO L225 Difference]: With dead ends: 606 [2024-11-16 14:49:56,138 INFO L226 Difference]: Without dead ends: 428 [2024-11-16 14:49:56,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-16 14:49:56,139 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 301 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:56,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 837 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 14:49:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-16 14:49:56,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 350. [2024-11-16 14:49:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 246 states have (on average 1.4634146341463414) internal successors, (360), 247 states have internal predecessors, (360), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:49:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 560 transitions. [2024-11-16 14:49:56,167 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 560 transitions. Word has length 297 [2024-11-16 14:49:56,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:56,167 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 560 transitions. [2024-11-16 14:49:56,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:49:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 560 transitions. [2024-11-16 14:49:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:56,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:56,169 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:56,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 14:49:56,169 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:56,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:56,170 INFO L85 PathProgramCache]: Analyzing trace with hash 895426485, now seen corresponding path program 1 times [2024-11-16 14:49:56,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:56,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216968601] [2024-11-16 14:49:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:49:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:49:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:49:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:49:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:49:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:49:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:49:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:49:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:49:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:49:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:49:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:49:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:49:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:49:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:49:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:49:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:49:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:49:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:49:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:49:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:49:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:49:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:49:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:49:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:49:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:49:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:49:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:49:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:49:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:49:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:49:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:49:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:49:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:49:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:49:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:49:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:49:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:49:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:49:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:49:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:49:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:49:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:49:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:49:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:49:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:49:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:49:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:49:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:49:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:49:58,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:49:58,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216968601] [2024-11-16 14:49:58,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216968601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:49:58,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:49:58,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 14:49:58,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566736505] [2024-11-16 14:49:58,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:49:58,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 14:49:58,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:49:58,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 14:49:58,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-16 14:49:58,113 INFO L87 Difference]: Start difference. First operand 350 states and 560 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:59,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:49:59,517 INFO L93 Difference]: Finished difference Result 760 states and 1208 transitions. [2024-11-16 14:49:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 14:49:59,517 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-16 14:49:59,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:49:59,520 INFO L225 Difference]: With dead ends: 760 [2024-11-16 14:49:59,520 INFO L226 Difference]: Without dead ends: 559 [2024-11-16 14:49:59,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-16 14:49:59,522 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 568 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:49:59,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 1371 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 14:49:59,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-16 14:49:59,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 355. [2024-11-16 14:49:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 251 states have (on average 1.4701195219123506) internal successors, (369), 252 states have internal predecessors, (369), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:49:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 569 transitions. [2024-11-16 14:49:59,552 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 569 transitions. Word has length 297 [2024-11-16 14:49:59,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:49:59,552 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 569 transitions. [2024-11-16 14:49:59,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:49:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 569 transitions. [2024-11-16 14:49:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-16 14:49:59,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:49:59,554 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:49:59,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 14:49:59,555 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:49:59,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:49:59,555 INFO L85 PathProgramCache]: Analyzing trace with hash -101645868, now seen corresponding path program 1 times [2024-11-16 14:49:59,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:49:59,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988090406] [2024-11-16 14:49:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:49:59,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:49:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:50:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:50:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:50:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:50:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:50:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:50:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:50:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:50:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:50:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:50:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:50:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:50:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:50:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:50:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:50:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:50:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:50:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:50:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:50:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:50:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:50:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:50:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:50:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:50:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:50:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:50:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:50:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:50:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:50:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:50:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:50:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:50:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:50:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:50:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:50:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:50:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:50:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:50:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:50:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:50:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:50:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:50:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:50:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:50:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:50:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:50:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:50:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:50:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:50:00,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:50:00,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988090406] [2024-11-16 14:50:00,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988090406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:50:00,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:50:00,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 14:50:00,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632839294] [2024-11-16 14:50:00,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:50:00,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 14:50:00,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:50:00,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 14:50:00,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 14:50:00,355 INFO L87 Difference]: Start difference. First operand 355 states and 569 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:50:01,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:50:01,168 INFO L93 Difference]: Finished difference Result 735 states and 1174 transitions. [2024-11-16 14:50:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 14:50:01,169 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-16 14:50:01,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:50:01,172 INFO L225 Difference]: With dead ends: 735 [2024-11-16 14:50:01,172 INFO L226 Difference]: Without dead ends: 510 [2024-11-16 14:50:01,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-16 14:50:01,173 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 441 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 14:50:01,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 959 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 14:50:01,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-16 14:50:01,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 344. [2024-11-16 14:50:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 240 states have (on average 1.4583333333333333) internal successors, (350), 241 states have internal predecessors, (350), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:50:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 550 transitions. [2024-11-16 14:50:01,197 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 550 transitions. Word has length 297 [2024-11-16 14:50:01,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:50:01,197 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 550 transitions. [2024-11-16 14:50:01,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:50:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 550 transitions. [2024-11-16 14:50:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-16 14:50:01,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:50:01,199 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:50:01,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 14:50:01,200 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:50:01,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:50:01,200 INFO L85 PathProgramCache]: Analyzing trace with hash 598813458, now seen corresponding path program 1 times [2024-11-16 14:50:01,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:50:01,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726597531] [2024-11-16 14:50:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:50:01,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:50:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:50:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:50:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:50:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:50:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:50:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:50:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:50:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:50:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:50:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:50:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:50:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:50:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:50:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:50:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:50:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:50:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:50:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:50:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:50:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:50:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:50:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:50:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:50:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:50:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:50:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:50:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:50:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:50:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:50:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:50:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:50:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:50:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:50:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:50:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:50:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:50:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:50:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:50:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:50:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:50:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:50:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:50:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:50:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:50:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:50:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:50:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:50:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:50:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:50:09,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:50:09,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726597531] [2024-11-16 14:50:09,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726597531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:50:09,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:50:09,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 14:50:09,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308642353] [2024-11-16 14:50:09,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:50:09,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 14:50:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:50:09,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 14:50:09,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-16 14:50:09,515 INFO L87 Difference]: Start difference. First operand 344 states and 550 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:13,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:50:13,846 INFO L93 Difference]: Finished difference Result 868 states and 1364 transitions. [2024-11-16 14:50:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 14:50:13,849 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 298 [2024-11-16 14:50:13,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:50:13,853 INFO L225 Difference]: With dead ends: 868 [2024-11-16 14:50:13,853 INFO L226 Difference]: Without dead ends: 667 [2024-11-16 14:50:13,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2024-11-16 14:50:13,854 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 703 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-16 14:50:13,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 1221 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-16 14:50:13,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-16 14:50:13,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 357. [2024-11-16 14:50:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 253 states have (on average 1.4782608695652173) internal successors, (374), 254 states have internal predecessors, (374), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:50:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 574 transitions. [2024-11-16 14:50:13,882 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 574 transitions. Word has length 298 [2024-11-16 14:50:13,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:50:13,883 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 574 transitions. [2024-11-16 14:50:13,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 574 transitions. [2024-11-16 14:50:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-16 14:50:13,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:50:13,884 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:50:13,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 14:50:13,885 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:50:13,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:50:13,885 INFO L85 PathProgramCache]: Analyzing trace with hash 2106365267, now seen corresponding path program 1 times [2024-11-16 14:50:13,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:50:13,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589967743] [2024-11-16 14:50:13,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:50:13,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:50:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:50:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:50:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:50:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:50:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:50:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:50:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:50:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:50:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:50:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:50:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:50:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:50:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:50:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:50:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:50:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:50:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:50:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:50:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:50:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:50:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:50:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:50:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:50:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:50:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:50:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:50:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:50:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:50:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:50:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:50:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:50:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:50:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:50:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:50:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:50:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:50:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:50:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:50:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:50:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:50:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:50:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:50:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:50:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:50:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:50:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:50:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:50:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:50:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:50:20,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:50:20,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589967743] [2024-11-16 14:50:20,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589967743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:50:20,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:50:20,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 14:50:20,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288147517] [2024-11-16 14:50:20,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:50:20,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 14:50:20,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:50:20,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 14:50:20,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-16 14:50:20,602 INFO L87 Difference]: Start difference. First operand 357 states and 574 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:50:22,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:50:22,080 INFO L93 Difference]: Finished difference Result 793 states and 1257 transitions. [2024-11-16 14:50:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 14:50:22,081 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 298 [2024-11-16 14:50:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:50:22,086 INFO L225 Difference]: With dead ends: 793 [2024-11-16 14:50:22,086 INFO L226 Difference]: Without dead ends: 592 [2024-11-16 14:50:22,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2024-11-16 14:50:22,087 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 630 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:50:22,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 1374 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 14:50:22,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-16 14:50:22,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 382. [2024-11-16 14:50:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 278 states have (on average 1.4892086330935252) internal successors, (414), 279 states have internal predecessors, (414), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:50:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 614 transitions. [2024-11-16 14:50:22,118 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 614 transitions. Word has length 298 [2024-11-16 14:50:22,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:50:22,118 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 614 transitions. [2024-11-16 14:50:22,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-16 14:50:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 614 transitions. [2024-11-16 14:50:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-16 14:50:22,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:50:22,120 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:50:22,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 14:50:22,121 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:50:22,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:50:22,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1439242831, now seen corresponding path program 1 times [2024-11-16 14:50:22,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:50:22,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886038128] [2024-11-16 14:50:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:50:22,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:50:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:50:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:50:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:50:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:50:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:50:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:50:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:50:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:50:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:50:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:50:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:50:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:50:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:50:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:50:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:50:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:50:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:50:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:50:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:50:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:50:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:50:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:50:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:50:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:50:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:50:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:50:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:50:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:50:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:50:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:50:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:50:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:50:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:50:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:50:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:50:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:50:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:50:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:50:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:50:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:50:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:50:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:50:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:50:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:50:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:50:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:50:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:50:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:50:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:50:28,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:50:28,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886038128] [2024-11-16 14:50:28,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886038128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:50:28,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:50:28,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 14:50:28,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311969554] [2024-11-16 14:50:28,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:50:28,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 14:50:28,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:50:28,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 14:50:28,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 14:50:28,429 INFO L87 Difference]: Start difference. First operand 382 states and 614 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:29,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:50:29,397 INFO L93 Difference]: Finished difference Result 757 states and 1203 transitions. [2024-11-16 14:50:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 14:50:29,397 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 298 [2024-11-16 14:50:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:50:29,400 INFO L225 Difference]: With dead ends: 757 [2024-11-16 14:50:29,400 INFO L226 Difference]: Without dead ends: 556 [2024-11-16 14:50:29,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-16 14:50:29,403 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 255 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 14:50:29,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 948 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 14:50:29,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-16 14:50:29,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 379. [2024-11-16 14:50:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 275 states have (on average 1.4945454545454546) internal successors, (411), 276 states have internal predecessors, (411), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:50:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 611 transitions. [2024-11-16 14:50:29,428 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 611 transitions. Word has length 298 [2024-11-16 14:50:29,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:50:29,429 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 611 transitions. [2024-11-16 14:50:29,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 611 transitions. [2024-11-16 14:50:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-16 14:50:29,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:50:29,430 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:50:29,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 14:50:29,431 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:50:29,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:50:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 68308978, now seen corresponding path program 1 times [2024-11-16 14:50:29,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:50:29,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117821314] [2024-11-16 14:50:29,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:50:29,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:50:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:50:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:50:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:50:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:50:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:50:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:50:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:50:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:50:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:50:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:50:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:50:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:50:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:50:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:50:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:50:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:50:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:50:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:50:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:50:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:50:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:50:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:50:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:50:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:50:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:50:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:50:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:50:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:50:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:50:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:50:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:50:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:50:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:50:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:50:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:50:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:50:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:50:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:50:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:50:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:50:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:50:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:50:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:50:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:50:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:50:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:50:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:50:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:50:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:50:30,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:50:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117821314] [2024-11-16 14:50:30,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117821314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:50:30,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:50:30,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 14:50:30,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629181786] [2024-11-16 14:50:30,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:50:30,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 14:50:30,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:50:30,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 14:50:30,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 14:50:30,311 INFO L87 Difference]: Start difference. First operand 379 states and 611 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:31,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:50:31,156 INFO L93 Difference]: Finished difference Result 740 states and 1170 transitions. [2024-11-16 14:50:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 14:50:31,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 298 [2024-11-16 14:50:31,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:50:31,159 INFO L225 Difference]: With dead ends: 740 [2024-11-16 14:50:31,160 INFO L226 Difference]: Without dead ends: 532 [2024-11-16 14:50:31,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-16 14:50:31,161 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 499 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 14:50:31,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 916 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 14:50:31,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-16 14:50:31,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 360. [2024-11-16 14:50:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 256 states have (on average 1.4765625) internal successors, (378), 257 states have internal predecessors, (378), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 14:50:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 578 transitions. [2024-11-16 14:50:31,189 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 578 transitions. Word has length 298 [2024-11-16 14:50:31,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:50:31,189 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 578 transitions. [2024-11-16 14:50:31,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 578 transitions. [2024-11-16 14:50:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-16 14:50:31,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:50:31,191 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:50:31,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 14:50:31,191 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:50:31,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:50:31,191 INFO L85 PathProgramCache]: Analyzing trace with hash -481323532, now seen corresponding path program 1 times [2024-11-16 14:50:31,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:50:31,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757126110] [2024-11-16 14:50:31,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:50:31,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:50:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:50:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:50:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:50:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:50:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:50:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:50:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:50:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:50:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:50:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:50:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:50:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:50:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:50:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:50:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:50:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:50:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:50:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:50:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:50:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:50:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:50:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:50:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:50:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:50:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:50:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 14:50:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 14:50:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 14:50:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 14:50:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 14:50:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 14:50:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 14:50:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 14:50:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 14:50:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 14:50:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 14:50:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 14:50:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 14:50:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 14:50:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 14:50:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 14:50:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 14:50:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 14:50:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 14:50:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 14:50:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-16 14:50:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 14:50:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 14:50:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:50:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-16 14:50:31,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:50:31,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757126110] [2024-11-16 14:50:31,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757126110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:50:31,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:50:31,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:50:31,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94701979] [2024-11-16 14:50:31,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:50:31,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:50:31,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:50:31,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:50:31,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:50:31,397 INFO L87 Difference]: Start difference. First operand 360 states and 578 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:31,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:50:31,477 INFO L93 Difference]: Finished difference Result 640 states and 1021 transitions. [2024-11-16 14:50:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 14:50:31,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 298 [2024-11-16 14:50:31,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:50:31,480 INFO L225 Difference]: With dead ends: 640 [2024-11-16 14:50:31,480 INFO L226 Difference]: Without dead ends: 439 [2024-11-16 14:50:31,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:50:31,482 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 128 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:50:31,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 664 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:50:31,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-16 14:50:31,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 358. [2024-11-16 14:50:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 257 states have (on average 1.4980544747081712) internal successors, (385), 257 states have internal predecessors, (385), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-16 14:50:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 577 transitions. [2024-11-16 14:50:31,508 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 577 transitions. Word has length 298 [2024-11-16 14:50:31,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:50:31,508 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 577 transitions. [2024-11-16 14:50:31,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-16 14:50:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 577 transitions. [2024-11-16 14:50:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-16 14:50:31,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:50:31,510 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:50:31,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 14:50:31,510 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:50:31,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:50:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1026228277, now seen corresponding path program 1 times [2024-11-16 14:50:31,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:50:31,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16531762] [2024-11-16 14:50:31,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:50:31,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:50:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat