./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_fillercodestructure_filler-pe-cn_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_fillercodestructure_filler-pe-cn_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 ff0278513429ffc22c784418884e09a92254749accfdc90a0be2595788a173c1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:16:25,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:16:26,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:16:26,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:16:26,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:16:26,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:16:26,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:16:26,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:16:26,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:16:26,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:16:26,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:16:26,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:16:26,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:16:26,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:16:26,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:16:26,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:16:26,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:16:26,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:16:26,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:16:26,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:16:26,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:16:26,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:16:26,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:16:26,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:16:26,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:16:26,056 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:16:26,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:16:26,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:16:26,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:16:26,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:16:26,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:16:26,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:16:26,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:16:26,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:16:26,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:16:26,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:16:26,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:16:26,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:16:26,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:16:26,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:16:26,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:16:26,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:16:26,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff0278513429ffc22c784418884e09a92254749accfdc90a0be2595788a173c1 [2024-11-20 04:16:26,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:16:26,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:16:26,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:16:26,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:16:26,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:16:26,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i [2024-11-20 04:16:27,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:16:28,059 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:16:28,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i [2024-11-20 04:16:28,068 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9793e09e7/f833e8a2980846bfb76d27a0f4c98ade/FLAG77448c70f [2024-11-20 04:16:28,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9793e09e7/f833e8a2980846bfb76d27a0f4c98ade [2024-11-20 04:16:28,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:16:28,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:16:28,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:16:28,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:16:28,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:16:28,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b402cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28, skipping insertion in model container [2024-11-20 04:16:28,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:16:28,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i[919,932] [2024-11-20 04:16:28,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:16:28,441 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:16:28,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i[919,932] [2024-11-20 04:16:28,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:16:28,555 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:16:28,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28 WrapperNode [2024-11-20 04:16:28,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:16:28,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:16:28,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:16:28,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:16:28,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,618 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-11-20 04:16:28,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:16:28,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:16:28,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:16:28,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:16:28,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,680 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 04:16:28,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:16:28,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:16:28,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:16:28,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:16:28,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (1/1) ... [2024-11-20 04:16:28,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:16:28,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:16:28,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 04:16:28,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 04:16:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:16:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:16:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:16:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:16:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:16:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:16:28,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:16:28,918 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:16:29,349 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-20 04:16:29,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:16:29,369 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:16:29,369 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:16:29,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:16:29 BoogieIcfgContainer [2024-11-20 04:16:29,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:16:29,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:16:29,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:16:29,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:16:29,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:16:28" (1/3) ... [2024-11-20 04:16:29,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645aeafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:16:29, skipping insertion in model container [2024-11-20 04:16:29,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:28" (2/3) ... [2024-11-20 04:16:29,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645aeafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:16:29, skipping insertion in model container [2024-11-20 04:16:29,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:16:29" (3/3) ... [2024-11-20 04:16:29,381 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-64.i [2024-11-20 04:16:29,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:16:29,396 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:16:29,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:16:29,476 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;@1176cdb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:16:29,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:16:29,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 04:16:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-20 04:16:29,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:16:29,498 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:16:29,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:16:29,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:16:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1883763579, now seen corresponding path program 1 times [2024-11-20 04:16:29,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:16:29,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958271600] [2024-11-20 04:16:29,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:16:29,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:16:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:16:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:16:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:16:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:16:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:16:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:16:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:16:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:16:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:16:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:16:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:16:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:16:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:16:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:16:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:16:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:16:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:16:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:16:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:16:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:16:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:16:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:16:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:16:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:16:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:16:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:16:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:16:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:16:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:16:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:16:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:16:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:16:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:16:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:16:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:16:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:16:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:16:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:16:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 04:16:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 04:16:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 04:16:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 04:16:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 04:16:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 04:16:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 04:16:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:16:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 04:16:34,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:16:34,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958271600] [2024-11-20 04:16:34,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958271600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:16:34,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:16:34,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:16:34,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682135712] [2024-11-20 04:16:34,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:16:34,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:16:34,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:16:34,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:16:34,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:16:34,134 INFO L87 Difference]: Start difference. First operand has 117 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 69 states have internal predecessors, (93), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 04:16:34,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:16:34,850 INFO L93 Difference]: Finished difference Result 408 states and 795 transitions. [2024-11-20 04:16:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:16:34,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-20 04:16:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:16:34,873 INFO L225 Difference]: With dead ends: 408 [2024-11-20 04:16:34,874 INFO L226 Difference]: Without dead ends: 294 [2024-11-20 04:16:34,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 04:16:34,885 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 220 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 04:16:34,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 806 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 04:16:34,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-20 04:16:34,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 128. [2024-11-20 04:16:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 04:16:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 203 transitions. [2024-11-20 04:16:34,959 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 203 transitions. Word has length 282 [2024-11-20 04:16:34,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:16:34,963 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 203 transitions. [2024-11-20 04:16:34,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 04:16:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2024-11-20 04:16:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-20 04:16:34,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:16:34,969 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:16:34,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:16:34,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:16:34,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:16:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash -563473285, now seen corresponding path program 1 times [2024-11-20 04:16:34,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:16:34,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299241138] [2024-11-20 04:16:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:16:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:16:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:16:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:16:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:16:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:16:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:16:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:16:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:16:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:16:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:16:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:16:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:16:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:16:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:16:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:16:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:16:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:16:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:16:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:16:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:16:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:16:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:16:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:16:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:16:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:16:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:16:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:16:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:16:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:16:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:16:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:16:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:16:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:16:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:16:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:16:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:16:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:16:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:16:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:16:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 04:16:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 04:16:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 04:16:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 04:16:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 04:16:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 04:16:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 04:16:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:16:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 04:16:35,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:16:35,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299241138] [2024-11-20 04:16:35,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299241138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:16:35,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:16:35,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:16:35,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108411005] [2024-11-20 04:16:35,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:16:35,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:16:35,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:16:35,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:16:35,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:16:35,428 INFO L87 Difference]: Start difference. First operand 128 states and 203 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 04:16:35,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:16:35,706 INFO L93 Difference]: Finished difference Result 368 states and 579 transitions. [2024-11-20 04:16:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:16:35,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-20 04:16:35,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:16:35,710 INFO L225 Difference]: With dead ends: 368 [2024-11-20 04:16:35,711 INFO L226 Difference]: Without dead ends: 243 [2024-11-20 04:16:35,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:16:35,713 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 210 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:16:35,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 874 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:16:35,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-20 04:16:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 128. [2024-11-20 04:16:35,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 04:16:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 203 transitions. [2024-11-20 04:16:35,741 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 203 transitions. Word has length 282 [2024-11-20 04:16:35,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:16:35,742 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 203 transitions. [2024-11-20 04:16:35,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 04:16:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2024-11-20 04:16:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-20 04:16:35,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:16:35,748 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:16:35,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:16:35,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:16:35,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:16:35,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1584541639, now seen corresponding path program 1 times [2024-11-20 04:16:35,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:16:35,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158030124] [2024-11-20 04:16:35,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:16:35,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:16:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:16:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:16:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:16:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:16:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:16:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:16:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:16:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:16:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:16:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:16:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:16:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:16:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:16:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:16:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:16:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:16:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:16:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:16:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:16:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:16:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:16:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:16:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:16:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:16:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:16:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:16:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:16:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:16:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:16:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:16:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:16:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:16:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:16:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 04:16:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-20 04:16:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:16:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-20 04:16:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:16:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-20 04:16:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 04:16:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 04:16:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 04:16:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 04:16:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 04:16:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 04:16:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:16:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:16:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 04:16:36,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:16:36,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158030124] [2024-11-20 04:16:36,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158030124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:16:36,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:16:36,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:16:36,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360065743] [2024-11-20 04:16:36,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:16:36,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:16:36,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:16:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:16:36,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:16:36,160 INFO L87 Difference]: Start difference. First operand 128 states and 203 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 04:16:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:16:36,391 INFO L93 Difference]: Finished difference Result 368 states and 578 transitions. [2024-11-20 04:16:36,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:16:36,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-11-20 04:16:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:16:36,395 INFO L225 Difference]: With dead ends: 368 [2024-11-20 04:16:36,395 INFO L226 Difference]: Without dead ends: 243 [2024-11-20 04:16:36,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:16:36,397 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 189 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:16:36,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1121 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:16:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-20 04:16:36,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 113. [2024-11-20 04:16:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 04:16:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 177 transitions. [2024-11-20 04:16:36,413 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 177 transitions. Word has length 282 [2024-11-20 04:16:36,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:16:36,414 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 177 transitions. [2024-11-20 04:16:36,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 04:16:36,414 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 177 transitions. [2024-11-20 04:16:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-20 04:16:36,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:16:36,418 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:16:36,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:16:36,418 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:16:36,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:16:36,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1567115350, now seen corresponding path program 1 times [2024-11-20 04:16:36,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:16:36,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741125713] [2024-11-20 04:16:36,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:16:36,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:16:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat