./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_normal_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_normal_file-21.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 dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:30:54,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:30:54,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:30:54,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:30:54,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:30:54,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:30:54,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:30:54,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:30:54,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:30:54,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:30:54,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:30:54,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:30:54,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:30:54,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:30:54,462 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:30:54,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:30:54,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:30:54,468 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:30:54,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:30:54,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:30:54,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:30:54,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:30:54,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:30:54,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:30:54,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:30:54,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:30:54,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:30:54,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:30:54,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:30:54,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:30:54,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:30:54,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:30:54,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:30:54,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:30:54,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:30:54,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:30:54,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:30:54,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:30:54,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:30:54,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:30:54,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:30:54,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:30:54,476 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f [2024-10-24 08:30:54,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:30:54,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:30:54,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:30:54,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:30:54,696 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:30:54,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2024-10-24 08:30:56,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:30:56,241 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:30:56,242 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2024-10-24 08:30:56,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b1b400d/2172b90b79344fada82e20c681954c10/FLAG8f42ff433 [2024-10-24 08:30:56,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1b1b400d/2172b90b79344fada82e20c681954c10 [2024-10-24 08:30:56,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:30:56,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:30:56,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:30:56,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:30:56,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:30:56,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bfceab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56, skipping insertion in model container [2024-10-24 08:30:56,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:30:56,765 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2024-10-24 08:30:56,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:30:56,834 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:30:56,843 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2024-10-24 08:30:56,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:30:56,878 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:30:56,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56 WrapperNode [2024-10-24 08:30:56,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:30:56,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:30:56,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:30:56,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:30:56,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,945 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2024-10-24 08:30:56,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:30:56,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:30:56,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:30:56,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:30:56,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,993 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]. [2024-10-24 08:30:56,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:56,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:57,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:57,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:57,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:57,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:57,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:30:57,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:30:57,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:30:57,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:30:57,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (1/1) ... [2024-10-24 08:30:57,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:30:57,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:30:57,050 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) [2024-10-24 08:30:57,053 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 [2024-10-24 08:30:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:30:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:30:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:30:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:30:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:30:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:30:57,177 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:30:57,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:30:57,499 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-24 08:30:57,500 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:30:57,548 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:30:57,548 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:30:57,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:30:57 BoogieIcfgContainer [2024-10-24 08:30:57,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:30:57,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:30:57,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:30:57,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:30:57,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:30:56" (1/3) ... [2024-10-24 08:30:57,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329cae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:30:57, skipping insertion in model container [2024-10-24 08:30:57,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:30:56" (2/3) ... [2024-10-24 08:30:57,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329cae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:30:57, skipping insertion in model container [2024-10-24 08:30:57,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:30:57" (3/3) ... [2024-10-24 08:30:57,566 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-21.i [2024-10-24 08:30:57,589 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:30:57,589 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:30:57,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:30:57,660 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;@4c4ac898, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:30:57,661 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:30:57,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 08:30:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 08:30:57,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:30:57,674 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:30:57,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:30:57,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:30:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1175104901, now seen corresponding path program 1 times [2024-10-24 08:30:57,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:30:57,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489591165] [2024-10-24 08:30:57,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:30:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:30:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:30:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:30:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:30:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:30:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:30:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:30:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:30:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:30:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:30:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:30:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:30:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:30:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:30:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:30:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:30:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:30:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:30:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:30:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:30:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:30:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:30:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 08:30:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:30:58,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:30:58,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489591165] [2024-10-24 08:30:58,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489591165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:30:58,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:30:58,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:30:58,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092721745] [2024-10-24 08:30:58,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:30:58,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:30:58,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:30:58,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:30:58,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:30:58,198 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 08:30:58,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:30:58,239 INFO L93 Difference]: Finished difference Result 133 states and 226 transitions. [2024-10-24 08:30:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:30:58,242 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-10-24 08:30:58,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:30:58,247 INFO L225 Difference]: With dead ends: 133 [2024-10-24 08:30:58,247 INFO L226 Difference]: Without dead ends: 66 [2024-10-24 08:30:58,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:30:58,255 INFO L432 NwaCegarLoop]: 95 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, 95 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 [2024-10-24 08:30:58,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:30:58,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-24 08:30:58,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-10-24 08:30:58,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 08:30:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 98 transitions. [2024-10-24 08:30:58,301 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 98 transitions. Word has length 140 [2024-10-24 08:30:58,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:30:58,301 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 98 transitions. [2024-10-24 08:30:58,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 08:30:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2024-10-24 08:30:58,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 08:30:58,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:30:58,306 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:30:58,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:30:58,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:30:58,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:30:58,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1275668675, now seen corresponding path program 1 times [2024-10-24 08:30:58,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:30:58,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219647089] [2024-10-24 08:30:58,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:30:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:30:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:30:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:30:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:30:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:30:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:30:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:30:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:30:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:30:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:30:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:30:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:30:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:30:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:30:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:30:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:30:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:30:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:30:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:30:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:30:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:30:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:30:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 08:30:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:30:59,547 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:30:59,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:30:59,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219647089] [2024-10-24 08:30:59,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219647089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:30:59,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:30:59,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 08:30:59,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609261568] [2024-10-24 08:30:59,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:30:59,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 08:30:59,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:30:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 08:30:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 08:30:59,553 INFO L87 Difference]: Start difference. First operand 66 states and 98 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:30:59,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:30:59,889 INFO L93 Difference]: Finished difference Result 195 states and 282 transitions. [2024-10-24 08:30:59,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 08:30:59,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-10-24 08:30:59,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:30:59,893 INFO L225 Difference]: With dead ends: 195 [2024-10-24 08:30:59,893 INFO L226 Difference]: Without dead ends: 130 [2024-10-24 08:30:59,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 08:30:59,896 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 77 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:30:59,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 414 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 08:30:59,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-24 08:30:59,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 116. [2024-10-24 08:30:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 82 states have (on average 1.329268292682927) internal successors, (109), 83 states have internal predecessors, (109), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:30:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2024-10-24 08:30:59,924 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 140 [2024-10-24 08:30:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:30:59,924 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2024-10-24 08:30:59,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:30:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2024-10-24 08:30:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 08:30:59,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:30:59,928 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:30:59,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:30:59,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:30:59,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:30:59,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1976733253, now seen corresponding path program 1 times [2024-10-24 08:30:59,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:30:59,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611393201] [2024-10-24 08:30:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:30:59,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:30:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:31:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:31:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:31:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:31:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:31:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:31:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:31:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:31:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:31:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:31:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:31:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:31:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:31:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:31:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:31:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:31:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:31:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:31:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:31:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:31:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:31:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 08:31:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:31:00,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:31:00,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611393201] [2024-10-24 08:31:00,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611393201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:31:00,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:31:00,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:31:00,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578813763] [2024-10-24 08:31:00,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:31:00,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:31:00,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:31:00,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:31:00,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:31:00,042 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:31:00,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:31:00,062 INFO L93 Difference]: Finished difference Result 221 states and 321 transitions. [2024-10-24 08:31:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:31:00,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-10-24 08:31:00,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:31:00,068 INFO L225 Difference]: With dead ends: 221 [2024-10-24 08:31:00,069 INFO L226 Difference]: Without dead ends: 106 [2024-10-24 08:31:00,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:31:00,073 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:31:00,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:31:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-24 08:31:00,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-24 08:31:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 73 states have internal predecessors, (91), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:31:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2024-10-24 08:31:00,093 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 140 [2024-10-24 08:31:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:31:00,093 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2024-10-24 08:31:00,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:31:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2024-10-24 08:31:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 08:31:00,098 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:00,098 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:00,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:31:00,098 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:00,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:00,098 INFO L85 PathProgramCache]: Analyzing trace with hash 688862661, now seen corresponding path program 1 times [2024-10-24 08:31:00,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:31:00,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025149837] [2024-10-24 08:31:00,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:00,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:31:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:31:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:31:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:31:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:31:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:31:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:31:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:31:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:31:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:31:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:31:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:31:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:31:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:31:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:31:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:31:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:31:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:31:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:31:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:31:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:31:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 08:31:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 08:31:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:31:00,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:31:00,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025149837] [2024-10-24 08:31:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025149837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:31:00,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:31:00,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:31:00,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327193115] [2024-10-24 08:31:00,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:31:00,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:31:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:31:00,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:31:00,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:31:00,201 INFO L87 Difference]: Start difference. First operand 106 states and 151 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:31:00,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:31:00,226 INFO L93 Difference]: Finished difference Result 191 states and 272 transitions. [2024-10-24 08:31:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:31:00,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-10-24 08:31:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:31:00,231 INFO L225 Difference]: With dead ends: 191 [2024-10-24 08:31:00,231 INFO L226 Difference]: Without dead ends: 86 [2024-10-24 08:31:00,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:31:00,234 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:31:00,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:31:00,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-24 08:31:00,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-10-24 08:31:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 53 states have internal predecessors, (61), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:31:00,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 121 transitions. [2024-10-24 08:31:00,247 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 121 transitions. Word has length 140 [2024-10-24 08:31:00,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:31:00,248 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 121 transitions. [2024-10-24 08:31:00,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:31:00,248 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2024-10-24 08:31:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 08:31:00,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:00,252 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:00,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:31:00,252 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:00,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:00,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1287450322, now seen corresponding path program 1 times [2024-10-24 08:31:00,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:31:00,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971232567] [2024-10-24 08:31:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:31:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 08:31:00,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070651176] [2024-10-24 08:31:00,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:00,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:31:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:31:00,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 08:31:00,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:31:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:31:00,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:31:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:31:00,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:31:00,655 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:31:00,656 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:31:00,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 08:31:00,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:31:00,862 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-24 08:31:00,942 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:31:00,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:31:00 BoogieIcfgContainer [2024-10-24 08:31:00,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:31:00,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:31:00,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:31:00,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:31:00,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:30:57" (3/4) ... [2024-10-24 08:31:00,946 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:31:00,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:31:00,948 INFO L158 Benchmark]: Toolchain (without parser) took 4341.70ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 122.4MB in the beginning and 128.2MB in the end (delta: -5.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-24 08:31:00,948 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:31:00,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 190.8MB. Free memory was 122.4MB in the beginning and 106.1MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 08:31:00,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.95ms. Allocated memory is still 190.8MB. Free memory was 106.1MB in the beginning and 101.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 08:31:00,948 INFO L158 Benchmark]: Boogie Preprocessor took 68.41ms. Allocated memory is still 190.8MB. Free memory was 101.4MB in the beginning and 94.5MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 08:31:00,948 INFO L158 Benchmark]: RCFGBuilder took 534.49ms. Allocated memory is still 190.8MB. Free memory was 94.5MB in the beginning and 66.7MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-24 08:31:00,949 INFO L158 Benchmark]: TraceAbstraction took 3392.93ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 65.7MB in the beginning and 129.2MB in the end (delta: -63.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:31:00,949 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 239.1MB. Free memory was 129.2MB in the beginning and 128.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:31:00,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 190.8MB. Free memory was 122.4MB in the beginning and 106.1MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.95ms. Allocated memory is still 190.8MB. Free memory was 106.1MB in the beginning and 101.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.41ms. Allocated memory is still 190.8MB. Free memory was 101.4MB in the beginning and 94.5MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 534.49ms. Allocated memory is still 190.8MB. Free memory was 94.5MB in the beginning and 66.7MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3392.93ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 65.7MB in the beginning and 129.2MB in the end (delta: -63.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 239.1MB. Free memory was 129.2MB in the beginning and 128.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 10; [L23] signed char var_1_3 = 1; [L24] signed char var_1_4 = 100; [L25] signed char var_1_5 = 5; [L26] signed char var_1_6 = 32; [L27] signed char var_1_7 = 32; [L28] unsigned short int var_1_8 = 8; [L29] unsigned short int var_1_10 = 21451; [L30] unsigned char var_1_12 = 8; [L31] unsigned short int var_1_13 = 16; [L32] unsigned short int var_1_16 = 53444; [L33] unsigned char var_1_17 = 0; [L34] unsigned char var_1_18 = 0; [L35] double var_1_19 = 1.2; [L36] signed char var_1_20 = 1; [L37] double var_1_21 = 10.5; [L38] double var_1_22 = 0.0; [L39] double var_1_23 = 10.4; [L40] double var_1_24 = 50.5; [L41] unsigned short int var_1_25 = 2; [L42] unsigned short int last_1_var_1_8 = 8; [L43] unsigned char last_1_var_1_12 = 8; [L44] unsigned short int last_1_var_1_13 = 16; [L45] unsigned char last_1_var_1_17 = 0; [L46] unsigned short int last_1_var_1_25 = 2; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L122] last_1_var_1_8 = var_1_8 [L123] last_1_var_1_12 = var_1_12 [L124] last_1_var_1_13 = var_1_13 [L125] last_1_var_1_17 = var_1_17 [L126] last_1_var_1_25 = var_1_25 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L85] var_1_3 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_3 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L86] RET assume_abort_if_not(var_1_3 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L87] CALL assume_abort_if_not(var_1_3 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L87] RET assume_abort_if_not(var_1_3 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L88] var_1_4 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L89] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L90] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L90] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L91] var_1_5 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L92] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L93] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L93] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L94] var_1_6 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8] [L95] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8] [L96] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8] [L96] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8] [L97] var_1_7 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L98] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L99] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L99] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L100] var_1_10 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L101] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L102] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L102] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L103] var_1_16 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L104] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L105] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L105] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L106] var_1_18 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L107] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L108] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L108] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L109] var_1_20 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L110] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L111] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L111] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L113] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L114] var_1_22 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L115] RET assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L116] var_1_23 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L117] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_24=101/2, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L118] var_1_24 = __VERIFIER_nondet_double() [L119] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L119] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=2, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L137] RET updateVariables() [L138] CALL step() [L50] COND TRUE (last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17 [L51] var_1_25 = (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L55] signed long int stepLocal_1 = last_1_var_1_13; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_1=16, var_1_10=-163841, var_1_12=8, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L56] COND TRUE last_1_var_1_13 == stepLocal_1 [L57] var_1_12 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=8] [L59] var_1_8 = (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12)) [L60] signed long int stepLocal_0 = -1000000; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, var_1_10=-163841, var_1_12=0, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L61] COND TRUE var_1_8 >= stepLocal_0 [L62] var_1_1 = ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L66] signed char stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_3=0, var_1_10=-163841, var_1_12=0, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L67] COND TRUE stepLocal_3 >= (var_1_5 - var_1_20) [L68] var_1_19 = (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L70] COND TRUE ((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25) [L71] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L73] unsigned short int stepLocal_2 = var_1_25; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_2=8, var_1_10=-163841, var_1_12=0, var_1_13=16, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L74] COND FALSE !(\read(var_1_17)) [L81] var_1_13 = (var_1_16 - var_1_10) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_2=8, var_1_10=-163841, var_1_12=0, var_1_13=32767, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=32767, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L129] EXPR var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=32767, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L129] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=32767, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L129-L130] return (((((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))))) && ((((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25)) ? (var_1_17 == ((unsigned char) var_1_18)) : 1)) && ((var_1_1 >= (var_1_5 - var_1_20)) ? (var_1_19 == ((double) (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24))) : 1)) && (((last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17) ? (var_1_25 == ((unsigned short int) (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7))) : (var_1_25 == ((unsigned short int) var_1_7))) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=32767, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=-163841, var_1_12=0, var_1_13=32767, var_1_16=-65538, var_1_17=0, var_1_18=0, var_1_1=0, var_1_20=0, var_1_25=8, var_1_3=0, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=0, var_1_8=32830] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 869 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 487 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 382 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 844 NumberOfCodeBlocks, 844 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 1249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3696/3696 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 08:31:00,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_normal_file-21.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:31:02,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:31:03,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:31:03,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:31:03,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:31:03,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:31:03,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:31:03,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:31:03,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:31:03,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:31:03,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:31:03,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:31:03,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:31:03,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:31:03,083 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:31:03,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:31:03,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:31:03,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:31:03,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:31:03,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:31:03,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:31:03,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:31:03,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:31:03,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:31:03,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:31:03,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:31:03,086 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:31:03,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:31:03,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:31:03,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:31:03,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:31:03,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:31:03,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:31:03,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:31:03,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:31:03,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:31:03,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:31:03,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:31:03,089 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:31:03,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:31:03,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:31:03,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:31:03,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:31:03,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:31:03,094 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:31:03,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f [2024-10-24 08:31:03,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:31:03,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:31:03,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:31:03,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:31:03,428 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:31:03,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2024-10-24 08:31:04,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:31:04,985 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:31:04,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2024-10-24 08:31:04,998 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff876ec0/cb31c67c3de049a793c4c11e6305b47c/FLAG4c1bd217c [2024-10-24 08:31:05,010 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff876ec0/cb31c67c3de049a793c4c11e6305b47c [2024-10-24 08:31:05,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:31:05,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:31:05,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:31:05,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:31:05,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:31:05,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c3564b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05, skipping insertion in model container [2024-10-24 08:31:05,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:31:05,230 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2024-10-24 08:31:05,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:31:05,308 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:31:05,317 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2024-10-24 08:31:05,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:31:05,368 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:31:05,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05 WrapperNode [2024-10-24 08:31:05,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:31:05,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:31:05,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:31:05,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:31:05,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,416 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-10-24 08:31:05,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:31:05,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:31:05,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:31:05,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:31:05,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,455 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]. [2024-10-24 08:31:05,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:31:05,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:31:05,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:31:05,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:31:05,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (1/1) ... [2024-10-24 08:31:05,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:31:05,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:31:05,515 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) [2024-10-24 08:31:05,519 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 [2024-10-24 08:31:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:31:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:31:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:31:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:31:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:31:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:31:05,642 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:31:05,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:31:07,524 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 08:31:07,524 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:31:07,607 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:31:07,607 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:31:07,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:07 BoogieIcfgContainer [2024-10-24 08:31:07,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:31:07,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:31:07,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:31:07,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:31:07,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:31:05" (1/3) ... [2024-10-24 08:31:07,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f000e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:07, skipping insertion in model container [2024-10-24 08:31:07,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:05" (2/3) ... [2024-10-24 08:31:07,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f000e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:07, skipping insertion in model container [2024-10-24 08:31:07,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:07" (3/3) ... [2024-10-24 08:31:07,615 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-21.i [2024-10-24 08:31:07,627 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:31:07,628 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:31:07,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:31:07,681 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;@24c55f98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:31:07,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:31:07,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 08:31:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 08:31:07,699 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:07,700 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:07,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:07,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:07,704 INFO L85 PathProgramCache]: Analyzing trace with hash -158295707, now seen corresponding path program 1 times [2024-10-24 08:31:07,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:31:07,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127051139] [2024-10-24 08:31:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:07,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:31:07,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:31:07,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 08:31:07,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 08:31:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:08,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:31:08,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:31:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-10-24 08:31:08,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:31:08,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:31:08,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127051139] [2024-10-24 08:31:08,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127051139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:31:08,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:31:08,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:31:08,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507028499] [2024-10-24 08:31:08,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:31:08,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:31:08,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:31:08,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:31:08,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:31:08,141 INFO L87 Difference]: Start difference. First operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 08:31:08,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:31:08,750 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2024-10-24 08:31:08,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:31:08,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2024-10-24 08:31:08,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:31:08,778 INFO L225 Difference]: With dead ends: 115 [2024-10-24 08:31:08,778 INFO L226 Difference]: Without dead ends: 57 [2024-10-24 08:31:08,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:31:08,787 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:31:08,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 08:31:08,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-24 08:31:08,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-24 08:31:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 08:31:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-10-24 08:31:08,834 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 138 [2024-10-24 08:31:08,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:31:08,834 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-10-24 08:31:08,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 08:31:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-10-24 08:31:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 08:31:08,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:08,837 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:08,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 08:31:09,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:31:09,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:09,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash -21667411, now seen corresponding path program 1 times [2024-10-24 08:31:09,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:31:09,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691991530] [2024-10-24 08:31:09,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:09,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:31:09,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:31:09,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 08:31:09,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 08:31:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:09,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-24 08:31:09,526 INFO L278 TraceCheckSpWp]: Computing forward predicates...