./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.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 879adeb8becc66b2b34de3e70e20caf3f4cebcfa7a9bac7334de1d0ce7d39f0f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 12:03:22,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 12:03:22,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 12:03:22,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 12:03:22,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 12:03:22,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 12:03:22,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 12:03:22,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 12:03:22,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 12:03:22,168 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 12:03:22,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 12:03:22,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 12:03:22,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 12:03:22,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 12:03:22,170 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 12:03:22,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 12:03:22,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 12:03:22,170 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 12:03:22,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 12:03:22,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 12:03:22,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 12:03:22,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 12:03:22,171 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 12:03:22,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:03:22,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 12:03:22,172 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 879adeb8becc66b2b34de3e70e20caf3f4cebcfa7a9bac7334de1d0ce7d39f0f [2025-03-08 12:03:22,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 12:03:22,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 12:03:22,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 12:03:22,399 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 12:03:22,399 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 12:03:22,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i [2025-03-08 12:03:23,557 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5717de3b6/3a967def9e314791a9bf602ae62faac7/FLAGb5eb4fbdf [2025-03-08 12:03:23,792 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 12:03:23,792 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i [2025-03-08 12:03:23,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5717de3b6/3a967def9e314791a9bf602ae62faac7/FLAGb5eb4fbdf [2025-03-08 12:03:24,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5717de3b6/3a967def9e314791a9bf602ae62faac7 [2025-03-08 12:03:24,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 12:03:24,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 12:03:24,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 12:03:24,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 12:03:24,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 12:03:24,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5808d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24, skipping insertion in model container [2025-03-08 12:03:24,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 12:03:24,244 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i[919,932] [2025-03-08 12:03:24,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:03:24,312 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 12:03:24,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i[919,932] [2025-03-08 12:03:24,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:03:24,354 INFO L204 MainTranslator]: Completed translation [2025-03-08 12:03:24,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24 WrapperNode [2025-03-08 12:03:24,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 12:03:24,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 12:03:24,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 12:03:24,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 12:03:24,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,394 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2025-03-08 12:03:24,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 12:03:24,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 12:03:24,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 12:03:24,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 12:03:24,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,421 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 12:03:24,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 12:03:24,448 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 12:03:24,452 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 12:03:24,452 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 12:03:24,453 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (1/1) ... [2025-03-08 12:03:24,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:03:24,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:03:24,475 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) [2025-03-08 12:03:24,480 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 [2025-03-08 12:03:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 12:03:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 12:03:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 12:03:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 12:03:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 12:03:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 12:03:24,554 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 12:03:24,555 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 12:03:24,892 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-08 12:03:24,894 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 12:03:24,907 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 12:03:24,909 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 12:03:24,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:03:24 BoogieIcfgContainer [2025-03-08 12:03:24,910 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 12:03:24,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 12:03:24,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 12:03:24,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 12:03:24,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:03:24" (1/3) ... [2025-03-08 12:03:24,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c62d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:03:24, skipping insertion in model container [2025-03-08 12:03:24,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:24" (2/3) ... [2025-03-08 12:03:24,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c62d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:03:24, skipping insertion in model container [2025-03-08 12:03:24,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:03:24" (3/3) ... [2025-03-08 12:03:24,918 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i [2025-03-08 12:03:24,928 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 12:03:24,929 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i that has 2 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 12:03:24,971 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 12:03:24,981 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;@38dc9972, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 12:03:24,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 12:03:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 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) [2025-03-08 12:03:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-08 12:03:24,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:03:24,993 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:03:24,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:03:24,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:03:24,997 INFO L85 PathProgramCache]: Analyzing trace with hash 504744752, now seen corresponding path program 1 times [2025-03-08 12:03:25,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:03:25,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282349444] [2025-03-08 12:03:25,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:03:25,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-08 12:03:25,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-08 12:03:25,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:25,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:03:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-08 12:03:25,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:03:25,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282349444] [2025-03-08 12:03:25,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282349444] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 12:03:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069723785] [2025-03-08 12:03:25,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:25,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:03:25,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:03:25,250 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) [2025-03-08 12:03:25,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 12:03:25,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-08 12:03:25,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-08 12:03:25,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:25,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:03:25,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 12:03:25,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:03:25,443 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-08 12:03:25,444 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:03:25,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069723785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:03:25,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 12:03:25,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 12:03:25,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891193085] [2025-03-08 12:03:25,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:03:25,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 12:03:25,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:03:25,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 12:03:25,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:03:25,469 INFO L87 Difference]: Start difference. First operand has 82 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 12:03:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:03:25,485 INFO L93 Difference]: Finished difference Result 156 states and 268 transitions. [2025-03-08 12:03:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 12:03:25,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 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 151 [2025-03-08 12:03:25,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:03:25,491 INFO L225 Difference]: With dead ends: 156 [2025-03-08 12:03:25,492 INFO L226 Difference]: Without dead ends: 77 [2025-03-08 12:03:25,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:03:25,496 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:03:25,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:03:25,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-03-08 12:03:25,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-03-08 12:03:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 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) [2025-03-08 12:03:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2025-03-08 12:03:25,523 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 151 [2025-03-08 12:03:25,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:03:25,523 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2025-03-08 12:03:25,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 12:03:25,523 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2025-03-08 12:03:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-08 12:03:25,525 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:03:25,525 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:03:25,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 12:03:25,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 12:03:25,726 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:03:25,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:03:25,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1117450378, now seen corresponding path program 1 times [2025-03-08 12:03:25,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:03:25,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214631596] [2025-03-08 12:03:25,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:25,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:03:25,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-08 12:03:25,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-08 12:03:25,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:25,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 12:03:25,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174989188] [2025-03-08 12:03:25,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:25,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:03:25,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:03:25,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:03:25,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 12:03:26,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-08 12:03:26,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-08 12:03:26,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:26,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:03:26,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-08 12:03:26,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:03:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 494 proven. 60 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-03-08 12:03:26,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:03:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-03-08 12:03:27,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 12:03:27,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214631596] [2025-03-08 12:03:27,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-08 12:03:27,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174989188] [2025-03-08 12:03:27,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174989188] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:03:27,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:03:27,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2025-03-08 12:03:27,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851636206] [2025-03-08 12:03:27,297 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:03:27,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-08 12:03:27,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 12:03:27,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-08 12:03:27,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2025-03-08 12:03:27,299 INFO L87 Difference]: Start difference. First operand 77 states and 117 transitions. Second operand has 19 states, 19 states have (on average 4.0) internal successors, (76), 19 states have internal predecessors, (76), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-03-08 12:03:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:03:28,229 INFO L93 Difference]: Finished difference Result 269 states and 390 transitions. [2025-03-08 12:03:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-08 12:03:28,229 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 19 states have internal predecessors, (76), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 151 [2025-03-08 12:03:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:03:28,232 INFO L225 Difference]: With dead ends: 269 [2025-03-08 12:03:28,232 INFO L226 Difference]: Without dead ends: 195 [2025-03-08 12:03:28,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=460, Invalid=1346, Unknown=0, NotChecked=0, Total=1806 [2025-03-08 12:03:28,234 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 400 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 12:03:28,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 413 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 12:03:28,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-03-08 12:03:28,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 127. [2025-03-08 12:03:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 92 states have internal predecessors, (123), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-08 12:03:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 185 transitions. [2025-03-08 12:03:28,250 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 185 transitions. Word has length 151 [2025-03-08 12:03:28,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:03:28,251 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 185 transitions. [2025-03-08 12:03:28,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 19 states have internal predecessors, (76), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-03-08 12:03:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2025-03-08 12:03:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-08 12:03:28,253 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:03:28,253 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:03:28,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 12:03:28,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 12:03:28,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:03:28,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:03:28,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1671854854, now seen corresponding path program 1 times [2025-03-08 12:03:28,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 12:03:28,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018022046] [2025-03-08 12:03:28,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:28,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 12:03:28,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-08 12:03:28,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-08 12:03:28,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:28,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-08 12:03:28,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288317702] [2025-03-08 12:03:28,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:28,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:03:28,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:03:28,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 12:03:28,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 12:03:28,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-08 12:03:28,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-08 12:03:28,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:28,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 12:03:28,689 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 12:03:28,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-08 12:03:28,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-08 12:03:28,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:28,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 12:03:28,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 12:03:28,797 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 12:03:28,798 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 12:03:28,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 12:03:28,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 12:03:29,002 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 12:03:29,101 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 12:03:29,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 12:03:29 BoogieIcfgContainer [2025-03-08 12:03:29,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 12:03:29,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 12:03:29,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 12:03:29,104 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 12:03:29,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:03:24" (3/4) ... [2025-03-08 12:03:29,106 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 12:03:29,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 12:03:29,107 INFO L158 Benchmark]: Toolchain (without parser) took 4976.92ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 68.8MB in the end (delta: 53.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2025-03-08 12:03:29,107 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:03:29,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.66ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 106.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 12:03:29,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.31ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 102.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:03:29,108 INFO L158 Benchmark]: Boogie Preprocessor took 52.89ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 97.1MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 12:03:29,108 INFO L158 Benchmark]: IcfgBuilder took 461.23ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 71.4MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 12:03:29,108 INFO L158 Benchmark]: TraceAbstraction took 4191.29ms. Allocated memory is still 167.8MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2025-03-08 12:03:29,109 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 167.8MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 12:03:29,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.66ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 106.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.31ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 102.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.89ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 97.1MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 461.23ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 71.4MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4191.29ms. Allocated memory is still 167.8MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 167.8MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 50.8kB). There was no memory consumed. 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 someBinaryFLOATComparisonOperation at line 163, overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 173, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 150, overapproximation of someBinaryFLOATComparisonOperation at line 171, overapproximation of someBinaryFLOATComparisonOperation at line 169, overapproximation of someBinaryFLOATComparisonOperation at line 165, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 167, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryArithmeticFLOAToperation at line 133. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] unsigned char var_1_27 = 50; [L40] unsigned char var_1_28 = 8; [L41] signed short int var_1_29 = 10; [L42] double var_1_33 = 7.125; [L43] float var_1_34 = 0.75; [L44] float var_1_35 = 25.5; [L45] float var_1_36 = 9.038; [L46] double var_1_38 = 15.5; [L47] float var_1_39 = 128.5; [L48] float var_1_41 = 15.25; [L49] float var_1_42 = 64.5; [L50] float var_1_43 = 256.3; [L51] unsigned long int var_1_44 = 32; [L52] double var_1_45 = 63.25; [L53] unsigned char last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L176] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L186] RET updateLastVariables() [L187] CALL updateVariables() [L137] var_1_4 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L138] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L140] var_1_5 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L141] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L143] var_1_11 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L144] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L146] var_1_12 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L149] var_1_14 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L150] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L151] var_1_16 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L152] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L154] var_1_18 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L155] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L157] var_1_28 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L158] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L160] var_1_34 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L161] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L162] var_1_35 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L163] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L164] var_1_36 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L165] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L166] var_1_38 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L167] RET assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L168] var_1_41 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L169] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L170] var_1_42 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L171] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L172] var_1_43 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L173] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L187] RET updateVariables() [L188] CALL step() [L57] unsigned char stepLocal_1 = ! var_1_5; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L58] COND FALSE !(stepLocal_1 || (var_1_12 < last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L65] COND FALSE !((127.35 + var_1_13) <= var_1_13) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L70] COND TRUE (- var_1_13) > 31.9f [L71] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L75] COND TRUE \read(var_1_1) [L76] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L78] var_1_22 = 1 [L79] var_1_23 = var_1_22 [L80] unsigned long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L81] COND FALSE !(var_1_15 > stepLocal_0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L84] unsigned char stepLocal_2 = var_1_23 < var_1_15; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_2=0, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L85] COND TRUE var_1_1 || stepLocal_2 [L86] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L90] signed long int stepLocal_3 = -10; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_3=-10, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L91] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L94] COND FALSE !(! (var_1_17 <= var_1_17)) [L97] var_1_20 = var_1_12 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L100] COND TRUE 32.2f > (25.5f - ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L101] var_1_24 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=50, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L103] var_1_27 = var_1_28 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L104] COND FALSE !(var_1_13 <= ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13)))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] COND FALSE !(var_1_13 > (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - var_1_36)) [L120] var_1_33 = 10000.5 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] COND TRUE \read(var_1_1) [L123] var_1_39 = var_1_38 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L129] COND TRUE ((var_1_38 + var_1_13) * ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) >= var_1_35 [L130] var_1_44 = ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L132] COND TRUE \read(var_1_1) [L133] var_1_45 = (((((var_1_43) < 0 ) ? -(var_1_43) : (var_1_43))) + var_1_42) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=270336, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=0, var_1_28=0, var_1_29=10, var_1_33=20001/2, var_1_38=2, var_1_39=2, var_1_44=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 149 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 3, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 413 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 400 mSDsluCounter, 530 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 316 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 538 IncrementalHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 214 mSDtfsCounter, 538 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=2, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 600 ConstructedInterpolants, 0 QuantifiedInterpolants, 1975 SizeOfPredicates, 6 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 3564/3696 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 12:03:29,130 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/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.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 879adeb8becc66b2b34de3e70e20caf3f4cebcfa7a9bac7334de1d0ce7d39f0f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 12:03:31,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 12:03:31,127 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 12:03:31,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 12:03:31,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 12:03:31,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 12:03:31,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 12:03:31,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 12:03:31,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 12:03:31,163 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 12:03:31,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 12:03:31,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 12:03:31,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 12:03:31,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 12:03:31,163 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 12:03:31,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 12:03:31,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 12:03:31,165 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:03:31,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 12:03:31,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 12:03:31,166 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 879adeb8becc66b2b34de3e70e20caf3f4cebcfa7a9bac7334de1d0ce7d39f0f [2025-03-08 12:03:31,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 12:03:31,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 12:03:31,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 12:03:31,441 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 12:03:31,441 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 12:03:31,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i [2025-03-08 12:03:32,581 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bef5713a/22d92a4767dd4e30a0defbab81e413e1/FLAG04b53130f [2025-03-08 12:03:32,777 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 12:03:32,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i [2025-03-08 12:03:32,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bef5713a/22d92a4767dd4e30a0defbab81e413e1/FLAG04b53130f [2025-03-08 12:03:33,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bef5713a/22d92a4767dd4e30a0defbab81e413e1 [2025-03-08 12:03:33,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 12:03:33,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 12:03:33,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 12:03:33,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 12:03:33,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 12:03:33,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0dc2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33, skipping insertion in model container [2025-03-08 12:03:33,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 12:03:33,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i[919,932] [2025-03-08 12:03:33,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:03:33,341 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 12:03:33,349 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i[919,932] [2025-03-08 12:03:33,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 12:03:33,390 INFO L204 MainTranslator]: Completed translation [2025-03-08 12:03:33,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33 WrapperNode [2025-03-08 12:03:33,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 12:03:33,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 12:03:33,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 12:03:33,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 12:03:33,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,439 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2025-03-08 12:03:33,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 12:03:33,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 12:03:33,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 12:03:33,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 12:03:33,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,482 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]. [2025-03-08 12:03:33,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,495 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 12:03:33,514 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 12:03:33,517 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 12:03:33,518 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 12:03:33,518 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (1/1) ... [2025-03-08 12:03:33,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 12:03:33,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 12:03:33,548 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) [2025-03-08 12:03:33,552 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 [2025-03-08 12:03:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 12:03:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 12:03:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 12:03:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 12:03:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 12:03:33,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 12:03:33,641 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 12:03:33,643 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 12:03:48,623 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-08 12:03:48,623 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 12:03:48,629 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 12:03:48,630 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 12:03:48,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:03:48 BoogieIcfgContainer [2025-03-08 12:03:48,630 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 12:03:48,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 12:03:48,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 12:03:48,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 12:03:48,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:03:33" (1/3) ... [2025-03-08 12:03:48,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7c5efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:03:48, skipping insertion in model container [2025-03-08 12:03:48,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:03:33" (2/3) ... [2025-03-08 12:03:48,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7c5efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:03:48, skipping insertion in model container [2025-03-08 12:03:48,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:03:48" (3/3) ... [2025-03-08 12:03:48,636 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i [2025-03-08 12:03:48,646 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 12:03:48,648 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-41.i that has 2 procedures, 79 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 12:03:48,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 12:03:48,695 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;@6e890240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 12:03:48,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 12:03:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 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) [2025-03-08 12:03:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-08 12:03:48,707 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:03:48,707 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:03:48,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:03:48,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:03:48,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1954436626, now seen corresponding path program 1 times [2025-03-08 12:03:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:03:48,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77303358] [2025-03-08 12:03:48,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:48,718 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 [2025-03-08 12:03:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:03:48,721 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) [2025-03-08 12:03:48,721 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 [2025-03-08 12:03:48,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-08 12:03:49,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-08 12:03:49,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:49,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:03:49,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 12:03:49,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:03:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2025-03-08 12:03:49,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:03:49,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:03:49,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77303358] [2025-03-08 12:03:49,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77303358] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:03:49,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:03:49,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 12:03:49,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711941888] [2025-03-08 12:03:49,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:03:49,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 12:03:49,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:03:49,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 12:03:49,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:03:49,358 INFO L87 Difference]: Start difference. First operand has 79 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2025-03-08 12:03:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:03:49,375 INFO L93 Difference]: Finished difference Result 152 states and 261 transitions. [2025-03-08 12:03:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 12:03:49,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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 151 [2025-03-08 12:03:49,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:03:49,380 INFO L225 Difference]: With dead ends: 152 [2025-03-08 12:03:49,381 INFO L226 Difference]: Without dead ends: 76 [2025-03-08 12:03:49,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 12:03:49,385 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 12:03:49,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 12:03:49,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-03-08 12:03:49,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2025-03-08 12:03:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 52 states have internal predecessors, (72), 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) [2025-03-08 12:03:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 116 transitions. [2025-03-08 12:03:49,426 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 116 transitions. Word has length 151 [2025-03-08 12:03:49,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:03:49,426 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 116 transitions. [2025-03-08 12:03:49,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2025-03-08 12:03:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2025-03-08 12:03:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-08 12:03:49,432 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:03:49,432 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:03:49,449 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 [2025-03-08 12:03:49,633 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 [2025-03-08 12:03:49,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:03:49,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:03:49,634 INFO L85 PathProgramCache]: Analyzing trace with hash 332241496, now seen corresponding path program 1 times [2025-03-08 12:03:49,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:03:49,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922138712] [2025-03-08 12:03:49,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:03:49,635 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 [2025-03-08 12:03:49,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:03:49,637 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) [2025-03-08 12:03:49,639 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 [2025-03-08 12:03:49,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-08 12:03:50,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-08 12:03:50,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:03:50,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:03:50,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 12:03:50,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:03:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 12:03:54,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:03:54,466 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:03:54,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922138712] [2025-03-08 12:03:54,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922138712] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:03:54,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:03:54,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 12:03:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680663048] [2025-03-08 12:03:54,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:03:54,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 12:03:54,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:03:54,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 12:03:54,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:03:54,469 INFO L87 Difference]: Start difference. First operand 76 states and 116 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2025-03-08 12:04:02,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:04:07,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:04:11,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:04:15,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:04:18,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:04:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:04:19,072 INFO L93 Difference]: Finished difference Result 221 states and 340 transitions. [2025-03-08 12:04:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 12:04:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 151 [2025-03-08 12:04:19,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:04:19,076 INFO L225 Difference]: With dead ends: 221 [2025-03-08 12:04:19,076 INFO L226 Difference]: Without dead ends: 148 [2025-03-08 12:04:19,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:04:19,077 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 39 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2025-03-08 12:04:19,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 199 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 4 Unknown, 0 Unchecked, 24.6s Time] [2025-03-08 12:04:19,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-03-08 12:04:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2025-03-08 12:04:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 98 states have (on average 1.346938775510204) internal successors, (132), 98 states have internal predecessors, (132), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-08 12:04:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 220 transitions. [2025-03-08 12:04:19,096 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 220 transitions. Word has length 151 [2025-03-08 12:04:19,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:04:19,098 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 220 transitions. [2025-03-08 12:04:19,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2025-03-08 12:04:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2025-03-08 12:04:19,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-08 12:04:19,100 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:04:19,101 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:04:19,120 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 (3)] Ended with exit code 0 [2025-03-08 12:04:19,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2025-03-08 12:04:19,301 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:04:19,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:04:19,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1543000239, now seen corresponding path program 1 times [2025-03-08 12:04:19,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:04:19,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753997424] [2025-03-08 12:04:19,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:04:19,302 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 [2025-03-08 12:04:19,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:04:19,305 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2025-03-08 12:04:19,306 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 (4)] Waiting until timeout for monitored process [2025-03-08 12:04:19,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-08 12:04:19,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-08 12:04:19,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:04:19,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:04:19,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 12:04:19,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:04:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 177 proven. 57 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2025-03-08 12:04:21,577 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:04:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-03-08 12:04:23,099 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:04:23,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753997424] [2025-03-08 12:04:23,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753997424] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:04:23,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:04:23,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2025-03-08 12:04:23,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839079453] [2025-03-08 12:04:23,099 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:04:23,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 12:04:23,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:04:23,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 12:04:23,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 12:04:23,101 INFO L87 Difference]: Start difference. First operand 145 states and 220 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2025-03-08 12:04:26,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-08 12:04:26,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:04:26,612 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2025-03-08 12:04:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 12:04:26,638 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 152 [2025-03-08 12:04:26,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:04:26,640 INFO L225 Difference]: With dead ends: 230 [2025-03-08 12:04:26,640 INFO L226 Difference]: Without dead ends: 157 [2025-03-08 12:04:26,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 296 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-03-08 12:04:26,641 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 105 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-08 12:04:26,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 212 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-08 12:04:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-03-08 12:04:26,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2025-03-08 12:04:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 104 states have (on average 1.3173076923076923) internal successors, (137), 104 states have internal predecessors, (137), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-08 12:04:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 225 transitions. [2025-03-08 12:04:26,657 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 225 transitions. Word has length 152 [2025-03-08 12:04:26,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:04:26,657 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 225 transitions. [2025-03-08 12:04:26,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2025-03-08 12:04:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 225 transitions. [2025-03-08 12:04:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-08 12:04:26,658 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:04:26,659 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:04:26,681 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 (4)] Ended with exit code 0 [2025-03-08 12:04:26,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2025-03-08 12:04:26,859 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:04:26,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:04:26,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1754351152, now seen corresponding path program 1 times [2025-03-08 12:04:26,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:04:26,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253005877] [2025-03-08 12:04:26,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:04:26,860 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 [2025-03-08 12:04:26,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:04:26,863 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2025-03-08 12:04:26,864 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 (5)] Waiting until timeout for monitored process [2025-03-08 12:04:26,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-08 12:04:27,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-08 12:04:27,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:04:27,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:04:27,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 12:04:27,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:04:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-03-08 12:04:27,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 12:04:27,622 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:04:27,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253005877] [2025-03-08 12:04:27,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253005877] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 12:04:27,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 12:04:27,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 12:04:27,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828324408] [2025-03-08 12:04:27,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 12:04:27,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 12:04:27,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:04:27,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 12:04:27,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:04:27,633 INFO L87 Difference]: Start difference. First operand 153 states and 225 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2025-03-08 12:04:29,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-08 12:04:35,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-08 12:04:40,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-08 12:04:44,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-08 12:04:48,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-08 12:04:51,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-08 12:04:53,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 12:04:53,846 INFO L93 Difference]: Finished difference Result 307 states and 455 transitions. [2025-03-08 12:04:53,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 12:04:53,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 152 [2025-03-08 12:04:53,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 12:04:53,850 INFO L225 Difference]: With dead ends: 307 [2025-03-08 12:04:53,850 INFO L226 Difference]: Without dead ends: 230 [2025-03-08 12:04:53,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 12:04:53,851 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 99 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2025-03-08 12:04:53,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 310 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2025-03-08 12:04:53,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2025-03-08 12:04:53,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2025-03-08 12:04:53,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 154 states have internal predecessors, (203), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2025-03-08 12:04:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 335 transitions. [2025-03-08 12:04:53,880 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 335 transitions. Word has length 152 [2025-03-08 12:04:53,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 12:04:53,880 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 335 transitions. [2025-03-08 12:04:53,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2025-03-08 12:04:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 335 transitions. [2025-03-08 12:04:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-08 12:04:53,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 12:04:53,886 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 12:04:53,906 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 (5)] Ended with exit code 0 [2025-03-08 12:04:54,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2025-03-08 12:04:54,087 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 12:04:54,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 12:04:54,087 INFO L85 PathProgramCache]: Analyzing trace with hash 909879281, now seen corresponding path program 1 times [2025-03-08 12:04:54,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 12:04:54,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745204562] [2025-03-08 12:04:54,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 12:04:54,088 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 [2025-03-08 12:04:54,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 12:04:54,090 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2025-03-08 12:04:54,091 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 (6)] Waiting until timeout for monitored process [2025-03-08 12:04:54,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-08 12:04:54,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-08 12:04:54,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 12:04:54,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 12:04:54,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 12:04:54,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 12:05:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 468 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2025-03-08 12:05:02,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 12:05:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 39 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-03-08 12:05:04,586 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 12:05:04,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745204562] [2025-03-08 12:05:04,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745204562] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 12:05:04,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 12:05:04,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-08 12:05:04,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638282567] [2025-03-08 12:05:04,586 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 12:05:04,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 12:05:04,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 12:05:04,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 12:05:04,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-08 12:05:04,587 INFO L87 Difference]: Start difference. First operand 227 states and 335 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44)