./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.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 18ba50d64852b68ea2515543b9d6fd69509342b6bbaf4189c80d892ba3751848 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:01:33,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:01:33,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:01:33,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:01:33,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:01:33,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:01:33,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:01:33,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:01:33,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:01:33,808 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:01:33,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:01:33,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:01:33,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:01:33,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:01:33,810 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:01:33,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:01:33,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:01:33,811 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:01:33,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:01:33,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:01:33,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:01:33,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:01:33,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:01:33,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:01:33,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:01:33,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:01:33,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:01:33,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:01:33,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:01:33,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:01:33,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:01:33,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:01:33,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:01:33,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:01:33,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:01:33,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:01:33,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:01:33,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:01:33,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:01:33,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:01:33,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:01:33,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:01:33,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18ba50d64852b68ea2515543b9d6fd69509342b6bbaf4189c80d892ba3751848 [2024-10-14 08:01:34,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:01:34,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:01:34,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:01:34,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:01:34,155 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:01:34,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-10-14 08:01:35,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:01:36,010 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:01:36,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-10-14 08:01:36,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50e2066c/cb20e3fbef9d488b8036332f7239c4e5/FLAG3c94ed819 [2024-10-14 08:01:36,331 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50e2066c/cb20e3fbef9d488b8036332f7239c4e5 [2024-10-14 08:01:36,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:01:36,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:01:36,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:01:36,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:01:36,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:01:36,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:36,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16efad43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36, skipping insertion in model container [2024-10-14 08:01:36,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:36,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:01:36,587 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i[916,929] [2024-10-14 08:01:36,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:01:36,761 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:01:36,774 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-28.i[916,929] [2024-10-14 08:01:36,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:01:36,877 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:01:36,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36 WrapperNode [2024-10-14 08:01:36,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:01:36,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:01:36,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:01:36,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:01:36,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:36,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:36,998 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 400 [2024-10-14 08:01:37,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:01:37,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:01:37,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:01:37,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:01:37,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,098 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]. [2024-10-14 08:01:37,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:01:37,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:01:37,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:01:37,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:01:37,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (1/1) ... [2024-10-14 08:01:37,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:01:37,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:01:37,206 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) [2024-10-14 08:01:37,211 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 [2024-10-14 08:01:37,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:01:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:01:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:01:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:01:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:01:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:01:37,360 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:01:37,362 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:01:38,014 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-14 08:01:38,014 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:01:38,071 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:01:38,075 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:01:38,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:01:38 BoogieIcfgContainer [2024-10-14 08:01:38,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:01:38,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:01:38,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:01:38,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:01:38,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:01:36" (1/3) ... [2024-10-14 08:01:38,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb49a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:01:38, skipping insertion in model container [2024-10-14 08:01:38,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:01:36" (2/3) ... [2024-10-14 08:01:38,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb49a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:01:38, skipping insertion in model container [2024-10-14 08:01:38,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:01:38" (3/3) ... [2024-10-14 08:01:38,088 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-28.i [2024-10-14 08:01:38,106 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:01:38,106 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:01:38,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:01:38,250 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;@7febb93c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:01:38,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:01:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 08:01:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-10-14 08:01:38,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:01:38,279 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:01:38,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:01:38,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:01:38,286 INFO L85 PathProgramCache]: Analyzing trace with hash -366880701, now seen corresponding path program 1 times [2024-10-14 08:01:38,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:01:38,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878456528] [2024-10-14 08:01:38,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:01:38,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:01:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:01:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:01:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:01:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:01:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:01:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:01:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:01:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:01:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:01:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:01:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:01:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:01:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:01:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:01:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:01:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:01:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:01:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:01:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:01:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:01:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:01:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:01:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:01:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:01:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:01:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:01:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:01:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:01:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:01:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:01:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:01:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:01:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:01:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:01:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 08:01:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 08:01:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 08:01:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 08:01:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 08:01:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 08:01:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 08:01:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 08:01:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 08:01:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 08:01:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:01:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:01:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:01:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:01:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:01:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:01:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:01:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:01:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:01:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-14 08:01:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-14 08:01:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-14 08:01:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-14 08:01:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-14 08:01:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-14 08:01:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-14 08:01:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-14 08:01:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-14 08:01:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-14 08:01:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-14 08:01:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-14 08:01:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:01:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-14 08:01:39,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:01:39,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878456528] [2024-10-14 08:01:39,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878456528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:01:39,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:01:39,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:01:39,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219357496] [2024-10-14 08:01:39,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:01:39,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:01:39,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:01:39,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:01:39,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:01:39,297 INFO L87 Difference]: Start difference. First operand has 170 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-14 08:01:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:01:39,374 INFO L93 Difference]: Finished difference Result 337 states and 614 transitions. [2024-10-14 08:01:39,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:01:39,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) Word has length 401 [2024-10-14 08:01:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:01:39,388 INFO L225 Difference]: With dead ends: 337 [2024-10-14 08:01:39,388 INFO L226 Difference]: Without dead ends: 168 [2024-10-14 08:01:39,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:01:39,402 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:01:39,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:01:39,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-14 08:01:39,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-10-14 08:01:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 08:01:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 270 transitions. [2024-10-14 08:01:39,483 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 270 transitions. Word has length 401 [2024-10-14 08:01:39,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:01:39,485 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 270 transitions. [2024-10-14 08:01:39,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-14 08:01:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 270 transitions. [2024-10-14 08:01:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-10-14 08:01:39,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:01:39,496 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:01:39,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:01:39,497 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:01:39,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:01:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash -194715569, now seen corresponding path program 1 times [2024-10-14 08:01:39,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:01:39,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832771175] [2024-10-14 08:01:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:01:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:01:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:01:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:01:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:01:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:01:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:01:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:01:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:01:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:01:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:01:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:01:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:01:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:01:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:01:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:01:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:01:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:01:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:01:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:01:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:01:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:01:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:01:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:01:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:01:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:01:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:01:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:01:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:01:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:01:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:01:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:01:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:01:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:01:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:01:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:01:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 08:01:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 08:01:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 08:01:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 08:01:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 08:01:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 08:01:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 08:01:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 08:01:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 08:01:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 08:01:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:01:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:01:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:01:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:01:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:01:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:01:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:01:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:01:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:01:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-14 08:01:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-14 08:01:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-14 08:01:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-14 08:01:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-14 08:01:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-14 08:01:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-14 08:01:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-14 08:01:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-14 08:01:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-14 08:01:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-14 08:01:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-14 08:01:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:01:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:01:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-14 08:01:40,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:01:40,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832771175] [2024-10-14 08:01:40,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832771175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:01:40,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:01:40,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:01:40,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28270378] [2024-10-14 08:01:40,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:01:40,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:01:40,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:01:40,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:01:40,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:01:40,644 INFO L87 Difference]: Start difference. First operand 168 states and 270 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-14 08:01:40,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:01:40,720 INFO L93 Difference]: Finished difference Result 502 states and 808 transitions. [2024-10-14 08:01:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:01:40,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 401 [2024-10-14 08:01:40,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:01:40,729 INFO L225 Difference]: With dead ends: 502 [2024-10-14 08:01:40,731 INFO L226 Difference]: Without dead ends: 335 [2024-10-14 08:01:40,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:01:40,735 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 153 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:01:40,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 526 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:01:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-14 08:01:40,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 333. [2024-10-14 08:01:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 198 states have (on average 1.378787878787879) internal successors, (273), 198 states have internal predecessors, (273), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-14 08:01:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 537 transitions. [2024-10-14 08:01:40,813 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 537 transitions. Word has length 401 [2024-10-14 08:01:40,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:01:40,816 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 537 transitions. [2024-10-14 08:01:40,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-14 08:01:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 537 transitions. [2024-10-14 08:01:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-10-14 08:01:40,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:01:40,824 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:01:40,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:01:40,824 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:01:40,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:01:40,825 INFO L85 PathProgramCache]: Analyzing trace with hash -764635404, now seen corresponding path program 1 times [2024-10-14 08:01:40,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:01:40,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968761496] [2024-10-14 08:01:40,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:01:40,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:01:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:02:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:02:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:02:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:02:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:02:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:02:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:02:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:02:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:02:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:02:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:02:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:02:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:02:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:02:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:02:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:02:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:02:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:02:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:02:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:02:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:02:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:02:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:02:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:02:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:02:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:02:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:02:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:02:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:02:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:02:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:02:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:02:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:02:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:02:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 08:02:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 08:02:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 08:02:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 08:02:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 08:02:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 08:02:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 08:02:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 08:02:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 08:02:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 08:02:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:02:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:02:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:02:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:02:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:02:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:02:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:02:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:02:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:02:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-14 08:02:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-14 08:02:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-14 08:02:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-14 08:02:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-14 08:02:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-14 08:02:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-14 08:02:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-14 08:02:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-14 08:02:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-14 08:02:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-14 08:02:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-14 08:02:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:02:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:02:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-14 08:02:51,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:02:51,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968761496] [2024-10-14 08:02:51,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968761496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:02:51,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:02:51,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 08:02:51,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906189105] [2024-10-14 08:02:51,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:02:51,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 08:02:51,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:02:51,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 08:02:51,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-10-14 08:02:51,757 INFO L87 Difference]: Start difference. First operand 333 states and 537 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-14 08:02:57,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:02:57,529 INFO L93 Difference]: Finished difference Result 1186 states and 1877 transitions. [2024-10-14 08:02:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 08:02:57,530 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 402 [2024-10-14 08:02:57,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:02:57,542 INFO L225 Difference]: With dead ends: 1186 [2024-10-14 08:02:57,545 INFO L226 Difference]: Without dead ends: 854 [2024-10-14 08:02:57,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2024-10-14 08:02:57,550 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 675 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-14 08:02:57,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1823 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-14 08:02:57,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-10-14 08:02:57,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 687. [2024-10-14 08:02:57,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 418 states have (on average 1.38755980861244) internal successors, (580), 418 states have internal predecessors, (580), 264 states have call successors, (264), 4 states have call predecessors, (264), 4 states have return successors, (264), 264 states have call predecessors, (264), 264 states have call successors, (264) [2024-10-14 08:02:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1108 transitions. [2024-10-14 08:02:57,690 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1108 transitions. Word has length 402 [2024-10-14 08:02:57,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:02:57,692 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 1108 transitions. [2024-10-14 08:02:57,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-14 08:02:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1108 transitions. [2024-10-14 08:02:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-10-14 08:02:57,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:02:57,701 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:02:57,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:02:57,702 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:02:57,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:02:57,702 INFO L85 PathProgramCache]: Analyzing trace with hash -84577034, now seen corresponding path program 1 times [2024-10-14 08:02:57,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:02:57,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819943347] [2024-10-14 08:02:57,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:02:57,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:02:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat