./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_codestructure_steplocals_file-64.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_codestructure_steplocals_file-64.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 f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:43:39,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:43:39,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 07:43:39,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:43:39,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:43:39,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:43:39,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:43:39,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:43:39,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:43:39,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:43:39,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:43:39,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:43:39,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:43:39,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:43:39,807 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:43:39,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:43:39,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:43:39,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:43:39,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:43:39,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:43:39,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:43:39,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:43:39,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:43:39,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:43:39,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:43:39,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:43:39,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:43:39,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:43:39,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:43:39,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:43:39,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:43:39,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:43:39,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:43:39,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:43:39,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:43:39,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:43:39,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:43:39,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:43:39,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:43:39,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:43:39,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:43:39,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:43:39,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 [2024-10-14 07:43:40,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:43:40,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:43:40,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:43:40,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:43:40,052 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:43:40,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-10-14 07:43:41,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:43:41,587 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:43:41,588 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-10-14 07:43:41,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b479e753f/345851838d5941cbb1b17efe9dfd2b80/FLAG50f023962 [2024-10-14 07:43:41,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b479e753f/345851838d5941cbb1b17efe9dfd2b80 [2024-10-14 07:43:41,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:43:41,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:43:41,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:43:41,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:43:41,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:43:41,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:43:41" (1/1) ... [2024-10-14 07:43:41,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fae2f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:41, skipping insertion in model container [2024-10-14 07:43:41,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:43:41" (1/1) ... [2024-10-14 07:43:42,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:43:42,142 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_codestructure_steplocals_file-64.i[917,930] [2024-10-14 07:43:42,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:43:42,214 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:43:42,228 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_codestructure_steplocals_file-64.i[917,930] [2024-10-14 07:43:42,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:43:42,339 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:43:42,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42 WrapperNode [2024-10-14 07:43:42,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:43:42,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:43:42,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:43:42,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:43:42,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,379 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2024-10-14 07:43:42,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:43:42,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:43:42,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:43:42,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:43:42,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,421 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 07:43:42,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:43:42,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:43:42,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:43:42,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:43:42,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (1/1) ... [2024-10-14 07:43:42,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:43:42,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:43:42,480 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 07:43:42,486 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 07:43:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:43:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:43:42,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:43:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:43:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:43:42,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:43:42,596 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:43:42,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:43:42,883 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 07:43:42,883 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:43:42,936 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:43:42,936 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:43:42,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:43:42 BoogieIcfgContainer [2024-10-14 07:43:42,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:43:42,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:43:42,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:43:42,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:43:42,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:43:41" (1/3) ... [2024-10-14 07:43:42,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c37805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:43:42, skipping insertion in model container [2024-10-14 07:43:42,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:43:42" (2/3) ... [2024-10-14 07:43:42,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c37805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:43:42, skipping insertion in model container [2024-10-14 07:43:42,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:43:42" (3/3) ... [2024-10-14 07:43:42,944 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-64.i [2024-10-14 07:43:42,957 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:43:42,958 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:43:43,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:43:43,031 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;@7d34b252, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:43:43,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:43:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:43:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 07:43:43,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:43:43,052 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:43,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:43:43,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:43:43,058 INFO L85 PathProgramCache]: Analyzing trace with hash 976339186, now seen corresponding path program 1 times [2024-10-14 07:43:43,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:43:43,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595730103] [2024-10-14 07:43:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:43:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:43:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:43:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:43:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:43:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:43:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:43:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:43:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:43:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:43:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:43:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:43:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:43:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:43:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:43:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:43:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:43:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:43:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:43:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:43:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:43:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:43:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:43:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:43:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:43:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:43:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:43:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:43:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:43:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:43:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:43:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:43:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:43:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:43:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:43:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:43:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:43:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:43:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:43:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:43:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:43:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:43:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:43:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:43:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:43:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:43:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:43:43,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:43:43,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595730103] [2024-10-14 07:43:43,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595730103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:43:43,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:43:43,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:43:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109615527] [2024-10-14 07:43:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:43:43,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:43:43,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:43:43,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:43:43,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:43:43,839 INFO L87 Difference]: Start difference. First operand has 98 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 07:43:43,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:43:43,889 INFO L93 Difference]: Finished difference Result 193 states and 354 transitions. [2024-10-14 07:43:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:43:43,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 260 [2024-10-14 07:43:43,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:43:43,898 INFO L225 Difference]: With dead ends: 193 [2024-10-14 07:43:43,898 INFO L226 Difference]: Without dead ends: 96 [2024-10-14 07:43:43,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 07:43:43,905 INFO L432 NwaCegarLoop]: 148 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, 148 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 07:43:43,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:43:43,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-14 07:43:43,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-14 07:43:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 50 states have (on average 1.26) internal successors, (63), 50 states have internal predecessors, (63), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:43:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 151 transitions. [2024-10-14 07:43:43,947 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 151 transitions. Word has length 260 [2024-10-14 07:43:43,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:43:43,948 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 151 transitions. [2024-10-14 07:43:43,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 07:43:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2024-10-14 07:43:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 07:43:43,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:43:43,952 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:43,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:43:43,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:43:43,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:43:43,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1271322866, now seen corresponding path program 1 times [2024-10-14 07:43:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:43:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984862512] [2024-10-14 07:43:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:43:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:43:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:43:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:43:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:43:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:43:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:43:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:43:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:43:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:43:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:43:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:43:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:43:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:43:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:43:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:43:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:43:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:43:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:43:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:43:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:43:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:43:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:43:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:43:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:43:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:43:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:43:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:43:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:43:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:43:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:43:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:43:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:43:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:43:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:43:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:43:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:43:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:43:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:43:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:43:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:43:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:43:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:43:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:43:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:43:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:43:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:43:44,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:43:44,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984862512] [2024-10-14 07:43:44,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984862512] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:43:44,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:43:44,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 07:43:44,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853026306] [2024-10-14 07:43:44,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:43:44,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 07:43:44,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:43:44,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 07:43:44,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:43:44,940 INFO L87 Difference]: Start difference. First operand 96 states and 151 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:43:45,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:43:45,128 INFO L93 Difference]: Finished difference Result 213 states and 332 transitions. [2024-10-14 07:43:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 07:43:45,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 260 [2024-10-14 07:43:45,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:43:45,133 INFO L225 Difference]: With dead ends: 213 [2024-10-14 07:43:45,133 INFO L226 Difference]: Without dead ends: 118 [2024-10-14 07:43:45,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 07:43:45,139 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 51 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:43:45,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 507 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:43:45,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-14 07:43:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 109. [2024-10-14 07:43:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:43:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 171 transitions. [2024-10-14 07:43:45,151 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 171 transitions. Word has length 260 [2024-10-14 07:43:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:43:45,152 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 171 transitions. [2024-10-14 07:43:45,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:43:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2024-10-14 07:43:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 07:43:45,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:43:45,155 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:45,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:43:45,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:43:45,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:43:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash 657529330, now seen corresponding path program 1 times [2024-10-14 07:43:45,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:43:45,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224306529] [2024-10-14 07:43:45,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:43:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:43:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:43:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:43:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:43:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:43:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:43:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:43:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:43:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:43:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:43:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:43:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:43:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:43:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:43:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:43:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:43:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:43:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:43:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:43:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:43:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:43:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:43:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:43:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:43:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:43:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:43:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:43:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:43:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:43:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:43:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:43:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:43:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:43:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:43:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:43:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:43:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:43:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:43:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:43:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:43:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:43:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:43:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:43:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:43:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:43:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:43:45,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:43:45,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224306529] [2024-10-14 07:43:45,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224306529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:43:45,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:43:45,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 07:43:45,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283586275] [2024-10-14 07:43:45,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:43:45,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 07:43:45,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:43:45,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 07:43:45,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:43:45,430 INFO L87 Difference]: Start difference. First operand 109 states and 171 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:43:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:43:45,536 INFO L93 Difference]: Finished difference Result 248 states and 382 transitions. [2024-10-14 07:43:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 07:43:45,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 260 [2024-10-14 07:43:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:43:45,539 INFO L225 Difference]: With dead ends: 248 [2024-10-14 07:43:45,539 INFO L226 Difference]: Without dead ends: 140 [2024-10-14 07:43:45,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 07:43:45,541 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 51 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:43:45,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 585 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:43:45,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-14 07:43:45,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2024-10-14 07:43:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:43:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 171 transitions. [2024-10-14 07:43:45,551 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 171 transitions. Word has length 260 [2024-10-14 07:43:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:43:45,552 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 171 transitions. [2024-10-14 07:43:45,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:43:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2024-10-14 07:43:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 07:43:45,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:43:45,555 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:45,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 07:43:45,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:43:45,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:43:45,556 INFO L85 PathProgramCache]: Analyzing trace with hash -622334348, now seen corresponding path program 1 times [2024-10-14 07:43:45,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:43:45,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124738854] [2024-10-14 07:43:45,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:43:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:43:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:43:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:43:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:43:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:43:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:43:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:43:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:43:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:43:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:43:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:43:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:43:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:43:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:43:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:43:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:43:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:43:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:43:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:43:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:43:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:43:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:43:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:43:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:43:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:43:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:43:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:43:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:43:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:43:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:43:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:43:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:43:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:43:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:43:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:43:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:43:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:43:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:43:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:43:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:43:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:43:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:43:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:43:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:43:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:43:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:43:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:43:45,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:43:45,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124738854] [2024-10-14 07:43:45,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124738854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:43:45,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:43:45,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 07:43:45,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501929045] [2024-10-14 07:43:45,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:43:45,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 07:43:45,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:43:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 07:43:45,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:43:45,786 INFO L87 Difference]: Start difference. First operand 109 states and 171 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:43:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:43:45,874 INFO L93 Difference]: Finished difference Result 248 states and 381 transitions. [2024-10-14 07:43:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 07:43:45,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 260 [2024-10-14 07:43:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:43:45,876 INFO L225 Difference]: With dead ends: 248 [2024-10-14 07:43:45,876 INFO L226 Difference]: Without dead ends: 140 [2024-10-14 07:43:45,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 07:43:45,878 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 50 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:43:45,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 639 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:43:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-14 07:43:45,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 96. [2024-10-14 07:43:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:43:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 150 transitions. [2024-10-14 07:43:45,885 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 150 transitions. Word has length 260 [2024-10-14 07:43:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:43:45,886 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 150 transitions. [2024-10-14 07:43:45,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:43:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2024-10-14 07:43:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-14 07:43:45,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:43:45,888 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:43:45,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 07:43:45,889 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:43:45,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:43:45,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1564982231, now seen corresponding path program 1 times [2024-10-14 07:43:45,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:43:45,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230539362] [2024-10-14 07:43:45,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:43:45,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:43:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat